UFC Fighter Database
Complete statistical profiles for 2,992 UFC fighters. Every profile carries the full career and UFC-only record, physical attributes, significant strike volume and accuracy split by target and position, takedown and submission rates, control time, total octagon time and percentile rankings against the entire UFC population.
A
- Aalon Cruz 8-4-0 Lightweight
- Aaron Brink 8-3-0 Heavyweight
- Aaron Phillips 12-5-0 Bantamweight
- Aaron Pico 14-5-0 Featherweight
- Aaron Riley 29-14-1 Lightweight
- Aaron Rosa 17-5-0 Heavyweight
- Aaron Simpson 11-4-0 Welterweight
- Aaron Tau 11-1-0 Flyweight
- Aaron Wilkinson 6-4-0 Welterweight
- Abdoullah Kane Heavyweight
- Abdul Hussein Bantamweight
- Abdul Razac Sankara Catchweight
- Abdul Razak Alhassan 12-7-0 Middleweight
- Abdul-Kareem Al-Selwady 16-4-0 Lightweight
- Abdul-Kerim Edilov 16-4-0 Heavyweight
- Abdul-Rakhman Dudaev Bantamweight
- Abdul-Rakhman Dzhanaev Middleweight
- Abdullo Khodzhaev Lightweight
- AbdulRakhman Yakhyaev Light Heavyweight
- Abel Trujillo 15-8-0 Lightweight
- Abner Lloveras 19-8-1 Welterweight
- Abraham Bably Heavyweight
- Abu Azaitar 14-4-1 Middleweight
- Abubakar Nurmagomedov 17-4-1 Welterweight
- Abubakar Vagaev Welterweight
- Abus Magomedov 29-7-1 Middleweight
- Adam Cella 4-1-0 Catchweight
- Adam Fugitt 10-6-0 Welterweight
- Adam Hunter 0-0-0 Middleweight
- Adam Khaliev 6-0-0 Welterweight
- Adam Milstead 8-3-0 Light Heavyweight
- Adam Wieczorek 10-2-0 Light Heavyweight
- Adam Yandiev 9-1-0 Middleweight
- Adlan Amagov 13-2-1 Light Heavyweight
- Adrian Dudek Middleweight
- Adrian Luna Martinetti 17-2-0 Bantamweight
- Adrian Serrano 0-0-0 Welterweight
- Adrian Yanez 18-6-1 Bantamweight
- Adriano Martins 28-9-0 Lightweight
- Adriano Santos 0-0-0 Middleweight
- Agulali Flyweight
- Ahejiang Ailinuer Featherweight
- Ahmad Hassanzada 1-1-0 Lightweight
- Aiemann Zahabi 14-3-0 Bantamweight
- Ailín Pérez 13-2-0 Women's Bantamweight
- Aisling Daly 16-5-0 Women's Strawweight
- AJ Cunningham 11-5-0 Bantamweight
- AJ Dobson 7-3-0 Middleweight
- AJ Fletcher 10-3-0 Welterweight
- Akbarh Arreola 23-9-1 Lightweight
- Akhmed Magomedov Featherweight
- Akihiro Gono 28-14-7 Lightweight
- Akira Corassani 14-7-1 Featherweight
- Al Iaquinta 14-7-1 Lightweight
- Alain Majorique Featherweight
- Alan Baudot 8-3-0 Heavyweight
- Alan Belcher 17-7-0 Heavyweight
- Alan Jouban 17-7-0 Welterweight
- Alan Omer 18-5-0 Lightweight
- Alan Patrick 15-4-0 Middleweight
- Alan Yoshihiro Yamaniha Bantamweight
- Alatengheili 17-10-2 Bantamweight
- Albert Cheng 2-4-0 Catchweight
- Albert Duraev 16-5-0 Middleweight
- Albert Morales 7-4-1 Bantamweight
- Albert Tadevosyan 0-0-0 Welterweight
- Albert Tumenov 17-4-0 Middleweight
- Alberto Cerra Leon Weight Class not available
- Alberto Crane 8-2-0 Welterweight
- Alberto Mina 13-1-0 Welterweight
- Alberto Montes 12-2-0 Featherweight
- Alberto Uda Middleweight
- Alden Coria 13-3-0 Flyweight
- Alejandro Perez 23-9-1 Featherweight
- Aleksa Camur 6-3-0 Light Heavyweight
- Aleksandar Rakić 14-6-0 Heavyweight
- Aleksandar Stefanovic Light Heavyweight
- Aleksandre Topuria 7-1-0 Bantamweight
- Aleksei Kunchenko 20-2-0 Welterweight
- Aleksei Oleinik 60-17-1 Heavyweight
- Alen Amedovski 8-4-0 Middleweight
- Alessandro Costa 17-5-0 Flyweight
- Alessio Di Chirico 13-7-0 Middleweight
- Alessio Sakara 19-11-0 Heavyweight
- Alex Andrade 0-0-0 Middleweight
- Alex Caceres 21-15-0 Featherweight
- Alex Chambers 5-4-0 Women's Strawweight
- Alex da Silva 21-4-0 Lightweight
- Alex Enlund 14-2-0 Lightweight
- Alex Garcia 15-5-0 Middleweight
- Alex Gorgees 7-1-0 Lightweight
- Alex Hunter 0-0-0 Heavyweight
- Alex Karalexis 8-2-0 Welterweight
- Alex Morono 24-13-0 Welterweight
- Alex Nicholson 7-4-0 Heavyweight
- Alex Oliveira 22-12-1 Lightweight
- Alex Pereira 13-4-0 Heavyweight
- Alex Perez 26-10-0 Flyweight
- Alex Reyes 13-5-0 Lightweight
- Alex Ricci Lightweight
- Alex Schoenauer 17-9-0 Light Heavyweight
- Alex Soto 6-2-1 Featherweight
- Alex Stiebling Heavyweight
- Alex White 13-6-0 Lightweight
- Alexa Grasso 17-5-1 Women's Flyweight
- Alexander Gustafsson 18-8-0 Light Heavyweight
- Alexander Hernandez 18-9-0 Lightweight
- Alexander Matmuratov Lightweight
- Alexander Munoz 7-2-0 Lightweight
- Alexander Poppeck 0-0-0 Light Heavyweight
- Alexander Torres Lightweight
- Alexander Volkanovski 28-4-0 Featherweight
- Alexander Volkov 40-11-0 Heavyweight
- Alexander Yakovlev 24-10-1 Welterweight
- Alexandr Romanov 18-3-0 Heavyweight
- Alexandra Albu 7-2-0 Women's Strawweight Division
- Alexandre Barros 13-6-0 Welterweight
- Alexandre Dantas 3-2-0 Openweight
- Alexandre Ferreira 18-7-0 Light Heavyweight
- Alexandre Pantoja 30-6-0 Flyweight
- Alexia Thainara 15-1-0 Women's Strawweight
- Alexis Davis 21-11-0 Women's Bantamweight
- Alexis Dufresne 5-2-0 Women's Bantamweight
- Alfan Rocher-Labes Bantamweight
- Alfonso Alcarez 0-0-0 Featherweight
- Ali Abdulkhalikov Lightweight
- Ali AlQaisi 8-5-0 Featherweight
- Ali Bagautinov 14-5-0 Welterweight
- Ali Bagov Welterweight
- Aliaskhab Khizriev 14-0-0 Middleweight
- Alibi Idiris 11-1-0 Flyweight
- Alice Ardelean 12-7-0 Women's Strawweight
- Alice Pereira 7-1-0 Women's Bantamweight
- Alina Dalaslan Bantamweight
- Alistair Overeem 47-19-0 Heavyweight
- Aljamain Sterling 26-5-0 Featherweight
- Allan Goes 0-0-0 Light Heavyweight
- Allan Nascimento 22-7-0 Flyweight
- Allan Zuñiga 13-2-0 Featherweight
- Allen Berubie Lightweight
- Allen Crowder 10-4-0 Heavyweight
- Allen Frye Heavyweight
- Alonzo Menifield 18-6-1 Light Heavyweight
- Alp Ozkilic Bantamweight
- Altin Zenuni Lightweight
- Alvaro Herrera 9-6-0 Welterweight
- Alvin Hines 7-2-0 Heavyweight
- Alvin Robinson 10-4-0 Featherweight
- Amanda Cooper 4-5-0 Women's Strawweight
- Amanda Lemos 15-7-1 Women's Strawweight
- Amanda Nunes 23-5-0 Women's Bantamweight
- Amanda Ribas 13-7-0 Women's Strawweight
- Amar Suloev 36-6-0 Middleweight
- Amaury Bitetti 0-0-0 Middleweight
- Amena Hadaya Flyweight
- Amilcar Alves 11-3-0 Light Heavyweight
- Amir Albazi 17-3-0 Flyweight
- Amir Aliakbari 0-0-0 Heavyweight
- Amir Hossein Alipour Welterweight
- Amir Sadollah 7-5-0 Welterweight
- Amru Magomedov Lightweight
- Ananias Mulumba Featherweight
- Anatoliy Boyko Welterweight
- Anderson dos Santos 21-9-0 Catchweight
- Anderson Silva 34-11-0 Heavyweight
- Andre Ewell 17-9-0 Lightweight
- Andre Fialho 16-8-0 Welterweight
- Andre Fili 25-14-0 Featherweight
- Andre Gusmao 5-2-0 Middleweight
- André Lima 11-1-0 Flyweight
- André Muniz 24-8-0 Middleweight
- Andre Pederneiras 0-0-0 Lightweight
- Andre Petroski 13-7-0 Middleweight
- Andre Roberts 0-0-0 Super Heavyweight
- Andre Soukhamthath 13-8-0 Bantamweight
- Andre Winner 12-6-1 Lightweight
- Andrea Lee 13-11-0 Women's Flyweight
- Andreas Gustafsson 12-3-0 Welterweight
- Andreas Michailidis 13-6-0 Middleweight
- Andreas Stahl 9-2-0 Welterweight
- Andrei Arlovski 34-24-0 Heavyweight
- Andrew Craig 9-4-0 Middleweight
- Andrew Holbrook 12-2-0 Lightweight
- Andrew Sanchez 13-7-0 Middleweight
- Andrew Todhunter 8-0-0 Middleweight
- Andrey Pulyaev 10-3-0 Middleweight
- Andrey Semenov Middleweight
- Andy Anderson 0-0-0 Weight Class not available
- Andy Enz 8-3-0 Middleweight
- Andy Ogle 9-6-0 Featherweight
- Andy Wang 8-6-0 Welterweight
- Anelya Toktogonova Strawweight
- Ange Loosa 10-5-0 Welterweight
- Angel Pacheco 7-4-0 Bantamweight
- Angela Hill 19-16-0 Women's Strawweight
- Angela Magana 11-9-0 Women's Strawweight
- Anistavio Medeiros 15-8-0 Featherweight
- Anna Elmose 3-2-0 Women's Strawweight
- Anna Melisano Women's Strawweight
- Ansar Chalangov 7-2-0 Middleweight
- Anshul Jubli 7-2-0 Lightweight
- Ante Delija 26-8-0 Heavyweight
- Anthony Birchak 16-8-0 Featherweight
- Anthony Hamilton 15-9-0 Heavyweight
- Anthony Hernandez 15-3-0 Middleweight
- Anthony Ivy 8-4-0 Welterweight
- Anthony Johnson 22-6-0 Light Heavyweight
- Anthony Lapsley 25-7-0 Middleweight
- Anthony Macias 0-0-0 Welterweight
- Anthony Njokuani 16-9-0 Welterweight
- Anthony Perosh 15-10-0 Light Heavyweight
- Anthony Pettis 24-10-0 Welterweight
- Anthony Rocco Martin 17-6-0 Middleweight
- Anthony Smith 38-22-0 Light Heavyweight
- Anthony Torres 5-1-0 Welterweight
- Anthony Wint Heavyweight
- Anton Kuivanen 17-6-0 Lightweight
- Anton Turkalj 8-4-0 Light Heavyweight
- Anton Zafir 7-3-0 Welterweight
- Antoni Hardonk 8-6-0 Heavyweight
- Antonina Shevchenko 10-4-0 Women's Flyweight
- Antônio Arroyo 9-5-0 Light Heavyweight
- Antonio Banuelos 19-7-0 Flyweight
- Antônio Braga Neto 9-3-0 Middleweight
- Antônio Carlos Jr. Light Heavyweight
- Antonio Carvalho 15-6-0 Featherweight
- Antônio dos Santos Jr. Middleweight
- Antonio McKee 25-4-2 Catchweight
- Antonio Mendes 14-4-0 Catchweight
- Antonio Rodrigo Nogueira
- Antonio Rogerio Nogueira
- Antônio Silva 19-10-0 Heavyweight
- Antonio Trócoli 12-7-0 Middleweight
- Anying Wang Lightweight
- Aoriqileng 26-11-0 Bantamweight
- Arash Sadeghi Heavyweight
- Ariane Carnelossi 15-5-0 Women's Strawweight
- Ariane da Silva 17-11-0 Women's Flyweight
- Ariel Beck 4-5-0 Women's Flyweight
- Arijan Topallaj Welterweight
- Arisa Matsuda Women's Strawweight
- Arjan Singh Bhullar 9-1-0 Heavyweight
- Arman Tsarukyan 23-3-0 Middleweight
- Armen Petrosyan 9-5-0 Middleweight
- Arnold Allen 21-4-0 Featherweight
- Art Jimmerson 0-1-0 Heavyweight
- Artem Frolov 0-0-0 Middleweight
- Artem Lobov 14-15-1 Catchweight
- Artur Minev 7-1-0 Lightweight
- Asaf Chopurov Bantamweight
- Asbel Cancio 0-0-0 Weight Class not available
- Ashkan Mokhtarian 13-3-0 Bantamweight
- Ashlee Evans-Smith 6-6-0 Women's Bantamweight
- Ashley Yoder 8-9-0 Women's Strawweight
- Askar Askar 11-1-0 Catchweight
- Askar Askarov 14-1-1 Flyweight
- Askar Mozharov 0-1-0 Light Heavyweight
- Aspen Ladd 9-3-0 Women's Bantamweight
- Assuério Silva 32-4-0 Heavyweight
- Asu Almabayev 24-3-0 Flyweight
- Ateba Gautier 11-1-0 Middleweight
- Augusto Mendes 6-2-0 Catchweight
- Augusto Montaño 15-3-0 Welterweight
- Augusto Sakai 16-5-1 Heavyweight
- Austen Lane 13-8-0 Heavyweight
- Austin Arnett 16-6-0 Lightweight
- Austin Bashi 14-2-0 Featherweight
- Austin Hubbard 17-10-0 Lightweight
- Austin Lingo 9-3-0 Featherweight
- Austin Springer 10-4-0 Featherweight
- Austin Vanderford 13-3-0 Welterweight
- Axel Sola 12-1-1 Lightweight
- Ayinda Octave Welterweight
- Azamat Bekoev 20-5-0 Middleweight
- Azamat Gashimov 10-3-0 Bantamweight
- Azamat Murzakanov 16-1-0 Light Heavyweight
- Azamat Nuftillaev Heavyweight
- Azat Maksum 15-3-0 Featherweight
- Azunna Anyanwu Heavyweight
B
- Baergeng Jieleyisi 18-7-0 Featherweight
- Baisangur Susurkaev 12-0-0 Middleweight
- Barb Honchak 10-5-0 Women's Flyweight
- Bart Palaszewski 35-17-0 Featherweight
- Bartosz Fabiński 15-5-0 Middleweight
- Bartosz Kurek Middleweight
- Bartosz Leśko Light Heavyweight
- Bas Rutten 0-0-0 Heavyweight
- Bassil Hafez 9-4-1 Welterweight
- Batgerel Danaa 12-5-0 Catchweight
- Bea Malecki 4-1-0 Women's Bantamweight
- Bec Rawlings 7-8-0 Women's Flyweight
- Bekbulat Magomedov Featherweight
- Bekhzod Abdurakhimov Flyweight
- Bekzat Almakhan 12-4-0 Bantamweight
- Belal Muhammad 24-6-0 Welterweight
- Ben Askren 19-2-0 Welterweight
- Ben Earwood 0-0-0 Middleweight
- Ben Johnston 5-2-0 Middleweight
- Ben Nguyen 17-8-0 Flyweight
- Ben Rothwell 39-14-0 Heavyweight
- Ben Saunders 22-13-2 Middleweight
- Ben Sosoli 0-1-0 Heavyweight
- Ben Wall 7-2-1 Lightweight
- Benardo Sopaj 13-3-0 Bantamweight
- Beneil Dariush 23-8-1 Lightweight
- Benito Lopez 10-2-0 Bantamweight
- Benji Radach 0-0-0 Middleweight
- Benny Alloway Middleweight
- Benoit Saint-Denis Lightweight
- Benson Henderson 23-5-0 Welterweight
- Bentley Syler 5-1-0 Flyweight
- Bernardo Magalhães 11-3-0 Lightweight
- Besam Yousef 6-2-0 Welterweight
- Bethe Correia 11-6-1 Women's Bantamweight
- Bevon Lewis 8-3-0 Heavyweight
- Bharat Kandare 5-3-0 Bantamweight
- Bia Mesquita 8-0-0 Women's Bantamweight
- Bibiano Fernandes Featherweight
- Bill Algeo 18-9-0 Featherweight
- Bill Mahood 12-3-1 Light Heavyweight
- Billy Elekana 10-2-0 Light Heavyweight
- Billy Miles Welterweight
- Billy Quarantillo 18-8-0 Lightweight
- Billy Ray Goff 9-4-0 Welterweight
- Bin Xie Featherweight
- BJ Penn 16-14-2 Lightweight
- Blagoy Ivanov 19-6-0 Heavyweight
- Blake Bilder 8-2-1 Featherweight
- Bo Hyun Park Women's Strawweight
- Bo Meng Strawweight
- Bo Nickal 9-1-0 Middleweight
- Bob Cook 0-0-0 Lightweight
- Bob Gilstrap 0-0-0 Heavyweight
- Bobby Hoffman 26-4-0 Heavyweight
- Bobby Moffett 12-5-0 Lightweight
- Bobby Nash 8-4-0 Welterweight
- Bobby Southworth 0-0-0 Light Heavyweight
- Bobby Voelker 24-12-0 Welterweight
- Bogdan Grad 15-4-0 Featherweight
- Bogdan Guskov 18-3-0 Light Heavyweight
- Bojan Mihajlović 10-5-0 Light Heavyweight
- Bojan Veličković 15-6-1 Welterweight
- Bolaji Oki 10-4-0 Lightweight
- Borislav Nikolić Bantamweight
- Boston Salmon 6-3-0 Featherweight
- Boule Godogo Bantamweight
- Brad Blackburn 15-11-1 Welterweight
- Brad Gumm 0-0-0 Heavyweight
- Brad Imes 6-3-0 Heavyweight
- Brad Katona 16-5-0 Bantamweight
- Brad Kohler 0-0-0 Heavyweight
- Brad Morris 10-4-0 Super Heavyweight
- Brad Pickett 26-14-0 Lightweight
- Brad Riddell 10-4-0 Lightweight
- Brad Scott Welterweight
- Brad Tavares 21-13-0 Middleweight
- Brady Hiestand 9-2-0 Bantamweight
- Branden Lee Hinkle 14-7-0 Light Heavyweight
- Brando Peričić 7-1-0 Heavyweight
- Brandon Davis 14-10-0 Catchweight
- Brandon Jenkins 15-9-0 Lightweight
- Brandon Melendez Middleweight
- Brandon Moreno 23-10-2 Flyweight
- Brandon Royval 18-9-0 Flyweight
- Brandon Thatch 11-5-0 Welterweight
- Brandon Vera 12-7-0 Heavyweight
- Brandon Wolff 7-4-0 Welterweight
- Braxton Smith 5-2-0 Super Heavyweight
- Brendan Allen 27-7-0 Middleweight
- Brendan Loughnane 16-4-0 Featherweight
- Brendan O'Reilly Lightweight
- Brendan Schaub 11-5-0 Heavyweight
- Brendon Marotte 14-2-1 Featherweight
- Brendson Ribeiro 17-11-0 Light Heavyweight
- Brett Johns 17-2-0 Featherweight
- Brian Bowles 10-3-0 Bantamweight
- Brian Camozzi 7-5-0 Welterweight
- Brian Cobb 15-5-0 Lightweight
- Brian Ebersole 51-17-1 Welterweight
- Brian Foster 17-5-0 Welterweight
- Brian Gassaway 24-17-3 Welterweight
- Brian Geraghty 24-9-2 Lightweight
- Brian Houston 4-2-0 Light Heavyweight
- Brian Johnston 0-0-0 Heavyweight
- Brian Kelleher 24-16-0 Bantamweight
- Brian Melancon 7-3-0 Welterweight
- Brian Ortega 16-5-0 Lightweight
- Brian Stann 12-6-0 Light Heavyweight
- Brianna Fortino Women's Strawweight
- Bristol Marunde 12-9-0 Welterweight
- Brock Jardine 9-3-0 Middleweight
- Brock Larson 27-4-0 Catchweight
- Brock Lesnar 6-3-0 Heavyweight
- Brodie Farber 13-5-0 Middleweight
- Brogan Walker 8-5-0 Women's Flyweight
- Brok Weaver 15-6-0 Lightweight
- Bruna Brasil 11-7-1 Women's Strawweight
- Brunno Ferreira 15-4-0 Middleweight
- Bruno Korea 4-3-0 Flyweight
- Bruno Lopes 14-4-0 Light Heavyweight
- Bruno Santos 14-2-0 Middleweight
- Bruno Silva 15-9-2 Flyweight
- Bruno Silva
- Bruno Souza 10-3-0 Featherweight
- Bryan Barberena 18-12-0 Middleweight
- Bryan Battle 13-2-0 Middleweight
- Bryan Caraway 21-10-0 Bantamweight
- Bryce Mitchell 19-4-0 Featherweight
- Bubba Bush 8-3-0 Middleweight
- Bubba McDaniel Light Heavyweight
- Buddy Roberts 12-3-0 Middleweight
- Byron Bloodworth 6-3-0 Bantamweight
C
- Cain Carrizosa 6-2-0 Lightweight
- Cain Velasquez 14-3-0 Heavyweight
- Caio Borralho 18-2-0 Middleweight
- Caio Machado 8-4-1 Light Heavyweight
- Caio Magalhães 9-3-0 Middleweight
- Cal Worsham 0-0-0 Heavyweight
- Cale Yarbrough 0-1-0 Light Heavyweight
- Calen Born 7-1-0 Welterweight
- Callan Potter 18-9-0 Welterweight
- Calvin Kattar 23-10-0 Featherweight
- Cam Rowston 15-3-0 Middleweight
- Cameron Dollar 5-3-0 Featherweight
- Cameron Else 10-6-0 Bantamweight
- Cameron Saaiman 9-3-0 Bantamweight
- Cameron Smotherman 12-7-0 Bantamweight
- Cameron VanCamp 15-7-1 Lightweight
- Caol Uno 25-13-5 Lightweight
- Caolán Loughran 10-2-0 Catchweight
- Carl Deaton III Lightweight
- Carla Esparza 20-8-0 Women's Strawweight
- Carli Judice 6-2-0 Women's Strawweight
- Carlo Pedersoli 11-3-0 Welterweight
- Carlo Prater 30-12-1 Middleweight
- Carlos Barreto Heavyweight
- Carlos Candelario 8-3-0 Flyweight
- Carlos Condit 32-14-0 Welterweight
- Carlos Eduardo Rocha 9-2-0 Welterweight
- Carlos Felipe 11-2-0 Heavyweight
- Carlos Hernandez 10-5-0 Flyweight
- Carlos Huachin 10-5-1 Flyweight
- Carlos Leal 23-7-0 Welterweight
- Carlos Mota 8-2-0 Flyweight
- Carlos Newton 13-8-0 Catchweight
- Carlos Prates 24-7-0 Welterweight
- Carlos Ulberg 15-1-0 Light Heavyweight
- Carlos Vera 12-4-0 Bantamweight
- Carls John de Tomas 8-2-0 Catchweight
- Carlston Harris 19-8-0 Welterweight
- Carlton Minus 10-3-0 Lightweight
- Carmelo Marrero 10-2-1 Heavyweight
- Carol Foro 10-1-0 Women's Strawweight
- Caros Fodor 7-3-0 Lightweight
- Casey Kenney 16-4-1 Bantamweight
- Casey O'Neill 11-2-0 Women's Flyweight
- Cat Zingano 10-4-0 Women's Featherweight
- Cathal Pendred 17-5-1 Welterweight
- Cb Dollaway 18-10-0 Light Heavyweight
- Cédric Doumbé 0-0-0 Catchweight
- César Almeida 7-3-0 Middleweight
- Cesar Arzamendia 7-4-0 Lightweight
- Cesar Marscucci 0-0-0 Lightweight
- Cezar Ferreira 14-8-0 Heavyweight
- Cezary Oleksiejczuk 17-3-0 Middleweight
- Chad Anheliger 13-8-0 Bantamweight
- Chad Corvin Heavyweight
- Chad Griggs 11-3-0 Light Heavyweight
- Chad Laprise 14-4-0 Welterweight
- Chad Mendes 18-5-0 Welterweight
- Chad Reiner 13-2-0 Welterweight
- Chael Sonnen Light Heavyweight
- Chan Mi Jeon Flyweight
- Chan Sung Jung 17-8-0 Featherweight
- Chance Rencountre 14-4-0 Welterweight
- ChangHo Lee 11-2-0 Bantamweight
- Changmin Yoon Featherweight
- Charalampos Grigoriou 8-5-0 Bantamweight
- Charles Byrd 10-7-0 Middleweight
- Charles Johnson 19-9-0 Flyweight
- Charles Jourdain 18-8-1 Bantamweight
- Charles McCarthy 10-5-0 Middleweight
- Charles Oliveira 37-11-0 Lightweight
- Charles Radtke 12-5-0 Welterweight
- Charles Rosa 14-8-0 Lightweight
- Charlie Brenneman 19-8-0 Lightweight
- Charlie Campbell 9-3-0 Lightweight
- Charlie Ontiveros 11-9-0 Welterweight
- Charlie Valencia 12-7-0 Bantamweight
- Charlie Ward 3-3-0 Middleweight
- Chas Skelly 19-3-0 Featherweight
- Chase Gormley 6-2-0 Heavyweight
- Chase Hooper 17-5-1 Lightweight
- Chase Sherman 16-12-0 Heavyweight
- Che Mills 15-6-0 Welterweight
- Cheick Kongo 28-8-2 Heavyweight
- Chelsea Chandler 7-4-0 Women's Bantamweight
- Chepe Mariscal 18-7-0 Featherweight
- Cheyanne Vlismas 7-3-0 Women's Strawweight
- Chico Camus 14-7-0 Flyweight
- Chidi Njokuani 25-11-0 Welterweight
- Chiril Negru Weight Class not available
- Chris Avila 5-4-0 Lightweight
- Chris Barnett 23-10-0 Heavyweight
- Chris Beal 10-3-0 Bantamweight
- Chris Brennan 11-5-1 Welterweight
- Chris Camozzi 24-13-0 Light Heavyweight
- Chris Cariaso 17-8-0 Flyweight
- Chris Clements 12-5-0 Welterweight
- Chris Condo 0-0-0 Heavyweight
- Chris Cope 5-4-0 Welterweight
- Chris Curtis 32-13-0 Welterweight
- Chris Daukaus 12-7-0 Heavyweight
- Chris De La Rocha 5-3-0 Heavyweight
- Chris Dempsey 11-4-0 Middleweight
- Chris Duncan 15-3-0 Lightweight
- Chris Ewert 7-1-0 Middleweight
- Chris Fishgold 18-4-1 Lightweight
- Chris Gruetzemacher 15-5-0 Lightweight
- Chris Gutierrez 22-6-2 Bantamweight
- Chris Haseman 20-16-0 Light Heavyweight
- Chris Heatherly 8-3-0 Welterweight
- Chris Holdsworth 7-0-0 Bantamweight
- Chris Indich 5-3-0 Middleweight
- Chris Kelades 9-3-0 Flyweight
- Chris Leben 22-11-0 Heavyweight
- Chris Liguori Lightweight
- Chris Lytle 41-18-4 Welterweight
- Chris Padilla 17-6-1 Lightweight
- Chris Price 8-2-0 Light Heavyweight
- Chris Sanford 0-0-0 Welterweight
- Chris Saunders 9-3-0 Lightweight
- Chris Spang 5-2-0 Catchweight
- Chris Tickle 7-5-0 Lightweight
- Chris Tuchscherer 18-4-0 Heavyweight
- Chris Wade 12-3-0 Catchweight
- Chris Weidman 16-8-0 Heavyweight
- Chris Wilson 13-6-0 Lightweight
- Christian Aguilera 14-8-0 Welterweight
- Christian Colombo 8-3-1 Heavyweight
- Christian Eckerlin Welterweight
- Christian Edwards 8-5-0 Catchweight
- Christian Leroy Duncan 15-2-0 Middleweight
- Christian Morecraft 7-3-0 Super Heavyweight
- Christian Rodriguez 12-4-0 Featherweight
- Christian Wellisch 9-4-0 Light Heavyweight
- Christina Marks 8-9-0 Women's Flyweight
- Christopher Alvidrez 1-0-0 Welterweight
- Christos Giagos 20-12-0 Lightweight
- Chuck Liddell 21-8-0 Light Heavyweight
- Chuck O'Neil Middleweight
- Chungreng Koren Bantamweight
- Cihad Akipa Middleweight
- Cindy Dandois 8-3-0 Women's Bantamweight
- Ciryl Gane 14-2-0 Heavyweight
- CJ Fernandes 0-0-0 Welterweight
- CJ Keith 8-2-0 Lightweight
- CJ Vergara 12-7-1 Flyweight
- Claude Patrick 14-2-0 Welterweight
- Cláudia Gadelha 18-5-0 Women's Strawweight
- Claudio Puelles 13-5-0 Lightweight
- Claudio Ribeiro 11-5-0 Middleweight
- Claudio Silva 14-4-0 Welterweight
- Clay Collard 14-7-0 Lightweight
- Clay Guida 38-22-0 Lightweight
- Clay Harvison 9-5-0 Lightweight
- Clayton Carpenter 8-3-0 Flyweight
- Clifford Starks 8-2-0 Middleweight
- Clint Hester 11-6-0 Light Heavyweight
- CM Punk 0-1-0 Welterweight
- Cody Brundage 12-9-1 Middleweight
- Cody Donovan 8-5-0 Light Heavyweight
- Cody Durden 18-11-1 Flyweight
- Cody East 12-3-0 Heavyweight
- Cody Garbrandt 15-8-0 Bantamweight
- Cody Gibson 22-13-0 Bantamweight
- Cody Haddon 9-1-0 Bantamweight
- Cody McKenzie 14-4-0 Middleweight
- Cody Pfister 12-6-1 Lightweight
- Cody Stamann 21-8-1 Featherweight
- Colby Covington 17-5-0 Welterweight
- Colby Thicknesse 9-1-0 Bantamweight
- Cole Escovedo 17-9-0 Bantamweight
- Cole Miller 21-11-0 Featherweight
- Cole Smith 7-2-0 Bantamweight
- Cole Williams 11-3-0 Welterweight
- Colin Fletcher 9-3-0 Welterweight
- Colin Robinson 9-4-0 Heavyweight
- Collin Anglin 8-3-0 Lightweight
- Collin Hart 4-2-1 Middleweight
- Colton Smith 6-4-0 Welterweight
- Cong Wang Flyweight
- Connor Matthews 7-4-0 Featherweight
- Conor McGregor 22-7-0 Welterweight
- Corey Anderson 14-5-0 Light Heavyweight
- Corey Hill 2-2-0 Middleweight
- Cortavious Romious 9-4-0 Catchweight
- Cortney Casey 10-10-0 Women's Flyweight
- Cory Hendricks 3-1-0 Light Heavyweight
- Cory McKenna 8-4-0 Women's Strawweight
- Cory Sandhagen 18-7-0 Bantamweight
- Cory Walmsley 10-1-0 Light Heavyweight
- Costas Philippou Middleweight
- Court McGee 23-14-0 Welterweight
- Courtney Turner 0-0-0 Lightweight
- Crafton Wallace 13-2-1 Middleweight
- Craig White 14-9-0 Middleweight
- Cris Cyborg Featherweight
- Cristian Quiñonez 19-5-0 Bantamweight
- Cristiano Marcello 13-6-0 Lightweight
- Cristina Stanciu 5-2-0 Women's Strawweight
- Cristophe Leninger Light Heavyweight
- Cub Swanson 31-14-0 Featherweight
- Cung Le 9-3-0 Middleweight
- Curt Warburton 7-3-0 Lightweight
- Curtis Blaydes 19-6-0 Heavyweight
- Curtis Millender 17-5-0 Catchweight
- Curtis Stout 0-0-0 Middleweight
- Cynthia Calvillo 9-6-1 Women's Strawweight
- Cyril Asker 9-4-0 Heavyweight
- Cyrille Diabate 20-10-3 Light Heavyweight
D
- Da Woon Jung 15-6-1 Light Heavyweight
- Da'Mon Blackshear 17-8-1 Bantamweight
- Dagiisuren Chagnaadorj Featherweight
- Daichi Abe 6-1-0 Welterweight
- Daiju Takase 0-0-0 Heavyweight
- Dakota Bush 8-4-0 Lightweight
- Dakota Hope 11-2-0 Featherweight
- Dalcha Lungiambula 11-6-0 Middleweight
- Dale Hartt 6-2-0 Lightweight
- Damacio Page 12-6-0 Bantamweight
- DaMarques Johnson 18-12-0 Middleweight
- Damian Grabowski 20-5-0 Heavyweight
- Damian Pinas 10-1-0 Middleweight
- Damian Rzepecki Lightweight
- Damian Stasiak 10-6-0 Featherweight
- Damien Anderson Bantamweight
- Damien Brown 17-12-0 Lightweight
- Damir Hadžović 14-8-0 Lightweight
- Damir Ismagulov 24-3-0 Catchweight
- Damon Jackson 23-8-1 Lightweight
- Dan Argueta Bantamweight
- Dan Bobish Heavyweight
- Dan Christison 8-5-0 Heavyweight
- Dan Cramer 1-1-0 Middleweight
- Dan Evensen 10-4-0 Heavyweight
- Dan Hardy 25-10-0 Welterweight
- Dan Henderson 32-15-0 Middleweight
- Dan Hooker 24-14-0 Lightweight
- Dan Ige 19-10-0 Bantamweight
- Dan Lauzon 12-4-0 Welterweight
- Dan Miller 14-8-0 Middleweight
- Dan Moret 13-6-0 Lightweight
- Dan Severn 70-13-7 Heavyweight
- Dan Spohn Light Heavyweight
- Dan Stittgen 7-3-0 Middleweight
- Daniel Barez 17-8-0 Flyweight
- Daniel Barrera Middleweight
- Daniel Cormier 22-3-0 Heavyweight
- Daniel Frunza 9-4-0 Welterweight
- Daniel Jolly 5-3-0 Light Heavyweight
- Daniel Kelly 13-4-0 Middleweight
- Daniel Lacerda 11-6-0 Bantamweight
- Daniel Marcos 18-1-0 Bantamweight
- Daniel Omielańczuk 19-8-1 Heavyweight
- Daniel Pineda 28-17-0 Featherweight
- Daniel Roberts 12-4-0 Welterweight
- Daniel Rodriguez 20-5-0 Welterweight
- Daniel Santos 14-3-0 Featherweight
- Daniel Sarafian Light Heavyweight
- Daniel Spitz 6-3-0 Heavyweight
- Daniel Teymur 7-4-0 Featherweight
- Daniel Zellhuber 15-4-0 Lightweight
- Danielle Taylor 9-4-0 Women's Strawweight
- Daniil Donchenko 15-2-0 Welterweight
- Danillo Villefort 0-0-0 Middleweight
- Danilo Belluardo 12-5-0 Lightweight
- Danilo Marques 11-4-0 Heavyweight
- Danny Abbadi 2-2-0 Welterweight
- Danny Barlow 9-2-0 Middleweight
- Danny Castillo 17-10-0 Lightweight
- Danny Chavez 11-5-1 Featherweight
- Danny Downes Lightweight
- Danny Henry 12-4-0 Featherweight
- Danny Martinez 18-7-0 Flyweight
- Danny Mitchell 14-6-1 Catchweight
- Danny Roberts 18-8-0 Welterweight
- Danny Silva 11-2-0 Featherweight
- Dante Rivera 10-3-0 Catchweight
- Danyelle Wolf 1-1-0 Women's Featherweight
- Daria Zhelezniakova 10-3-0 Women's Bantamweight
- Darian Weeks 5-3-0 Welterweight
- Darko Stošić 13-4-0 Heavyweight
- Daron Cruickshank 16-8-0 Lightweight
- Darrel Gholar 0-0-0 Middleweight
- Darrell Horcher 13-4-0 Lightweight
- Darrell Montague 13-5-0 Flyweight
- Darren Elkins 29-13-0 Featherweight
- Darren Stewart 12-8-0 Light Heavyweight
- Darren Till 18-5-1 Middleweight
- Darren Uyenoyama 8-5-0 Catchweight
- Darrick Minner 26-14-0 Catchweight
- Darrill Schoonover 10-1-0 Heavyweight
- Darrius Flowers 13-8-1 Welterweight
- Dashon Johnson 9-2-0 Featherweight
- Dave Beneteau 0-0-0 Heavyweight
- Dave Berry 0-0-0 Weight Class not available
- Dave Galera 5-1-0 Bantamweight
- Dave Herman 21-6-0 Heavyweight
- Dave Kaplan Lightweight
- Dave Menne 35-6-1 Welterweight
- Dave Strasser 22-4-4 Welterweight
- Davey Grant 18-8-0 Bantamweight
- Davi Ramos 10-4-0 Welterweight
- David Abbott Heavyweight
- David Baron 14-3-0 Lightweight
- David Bielkheden 13-7-0 Welterweight
- David Branch 22-6-0 Light Heavyweight
- David Dodd 0-0-0 Light Heavyweight
- David Dvořák 20-6-0 Flyweight
- David Heath 9-3-0 Light Heavyweight
- David Hood 0-0-0 Heavyweight
- David Lee 5-2-0 Lightweight
- David Levicki 0-0-0 Heavyweight
- David Loiseau 18-10-0 Light Heavyweight
- David Martinez 14-1-0 Bantamweight
- David Michaud 8-1-0 Welterweight
- David Mitchell 11-1-0 Catchweight
- David Onama 14-3-0 Featherweight
- David Piechaczek Middleweight
- David Roberts Light Heavyweight
- David Terrell 10-2-0 Middleweight
- David Teymur 8-2-0 Lightweight
- David Velasquez 0-0-0 Heavyweight
- David Zawada 17-7-0 Middleweight
- David Zoula Featherweight
- Dean Barry 4-2-0 Welterweight
- Dean Lister 11-6-0 Openweight
- DeAnna Bennett 8-3-1 Women's Flyweight
- Deiveson Figueiredo 25-7-1 Bantamweight
- Delson Heleno 23-7-0 Welterweight
- Demarte Pena Bantamweight
- Demetrious Johnson 27-3-1 Bantamweight
- Demian Maia 28-11-0 Welterweight
- Denis Górniak Heavyweight
- Denis Kang 32-12-1 Middleweight
- Denis Silva Featherweight
- Denis Stojnić 12-3-0 Heavyweight
- Denis Tiuliulin 11-10-0 Middleweight
- Denise Gomes 12-3-0 Women's Strawweight
- Deniz Ilbay Lightweight
- Dennis Bermudez 18-9-0 Lightweight
- Dennis Buzukja 12-6-0 Featherweight
- Dennis Hallman 66-14-2 Middleweight
- Dennis Siver 23-11-0 Lightweight
- Denys Bondar 14-5-0 Flyweight
- Denzel Freeman 7-1-0 Heavyweight
- Dequan Townsend 21-12-0 Light Heavyweight
- Derek Brunson 23-9-0 Light Heavyweight
- Derek Downey 10-4-0 Middleweight
- Deron Winn 7-3-0 Middleweight
- Derrick Krantz 24-12-0 Welterweight
- Derrick Lewis 29-14-0 Heavyweight
- Derrick Noble 15-7-1 Welterweight
- Desmond Green 23-8-0 Lightweight
- Devin Clark 14-9-0 Heavyweight
- Devin Cole 0-0-0 Heavyweight
- Devin Powell 9-4-0 Lightweight
- Devonte Smith 11-4-0 Lightweight
- Dhiego Lima 17-9-0 Welterweight
- Diana Belbiţă 15-10-0 Women's Flyweight
- Diego Brandão 24-11-0 Featherweight
- Diego Ferreira 20-7-0 Lightweight
- Diego Lopes 28-8-0 Featherweight
- Diego Nunes 18-4-0 Welterweight
- Diego Rivas 7-2-0 Bantamweight
- Diego Sanchez 32-13-0 Catchweight
- Diego Saraiva 9-6-1 Featherweight
- Dieusel Berto 0-0-0 Heavyweight
- Dileno Lopes 19-3-0 Bantamweight
- Din Thomas 23-9-0 Featherweight
- Dione Barbosa 10-4-0 Women's Flyweight
- Diyar Nurgozhay 12-2-0 Light Heavyweight
- Djorden Santos 11-3-0 Middleweight
- Dmitrii Smoliakov 9-3-0 Heavyweight
- Dmitriy Sosnovskiy Heavyweight
- Dmitriy Stepanov Heavyweight
- Dmitry Poberezhets 24-5-1 Heavyweight
- Dom Mar Fan 9-3-0 Lightweight
- Domingo Pilarte 8-3-0 Bantamweight
- Dominic Waters 9-5-0 Welterweight
- Dominick Cruz 24-4-0 Bantamweight
- Dominick Reyes 16-5-0 Light Heavyweight
- Dominique Steele 14-9-0 Light Heavyweight
- Don Frye 11-1-0 Heavyweight
- Don Madge 9-3-1 Welterweight
- Don Shainis 12-5-0 Lightweight
- Don'Tale Mayes 11-9-0 Heavyweight
- Donald Cerrone 36-17-0 Welterweight
- Dong Hyun Kim 22-4-1 Welterweight
- Dong Hyun Ma 16-11-3 Lightweight
- Dong Yi Yang Heavyweight
- DongHun Choi 3-0-0 Flyweight
- Donnie Chappell 0-0-0 Middleweight
- Donny Walker 0-0-0 Featherweight
- Donte Johnson 8-0-0 Middleweight
- Doo Ho Choi Featherweight
- Dorian Price 8-3-0 Welterweight
- Douglas Evans Featherweight
- Douglas Silva de Andrade 29-7-0 Featherweight
- Drakkar Klose 16-3-1 Lightweight
- Drako Rodriguez 7-3-0 Catchweight
- Drew Dober 29-15-0 Lightweight
- Drew Fickett 31-5-0 Lightweight
- Drew McFedries 8-6-0 Middleweight
- Drex Zamboanga Lightweight
- Dricus Du Plessis 24-3-0 Middleweight
- Duane Ludwig 29-14-0 Welterweight
- Duda Santana 3-1-0 Women's Bantamweight
- Duško Todorović 13-6-0 Middleweight
- Dustin Hazelett 14-7-0 Lightweight
- Dustin Jacoby 22-10-1 Light Heavyweight
- Dustin Kimura 12-3-0 Bantamweight
- Dustin Neace 23-18-1 Lightweight
- Dustin Ortiz 19-8-0 Flyweight
- Dustin Pague 11-10-0 Featherweight
- Dustin Poirier 30-10-0 Lightweight
- Dustin Stoltzfus 16-8-0 Middleweight
- Dwayne Cason Heavyweight
- Dwight Grant 11-6-0 Middleweight
- Dwight Joseph 0-0-0 Featherweight
- Dylan Andrews 18-7-0 Heavyweight
- Dylan Budka 7-5-0 Heavyweight
E
- Ebenezer Fontes Braga Light Heavyweight
- Ed Herman 27-16-0 Light Heavyweight
- Eddie Alvarez 29-6-0 Welterweight
- Eddie Gordon 8-4-0 Middleweight
- Eddie Mendez 0-0-0 Catchweight
- Eddie Ruiz 7-2-0 Welterweight
- Eddie Sanchez 10-3-0 Heavyweight
- Eddie Wineland 24-16-1 Bantamweight
- Eddie Yagin 16-5-1 Lightweight
- Ederson Cristian Macedo Light Heavyweight
- Edgar Cháirez 14-6-0 Flyweight
- Edgar Garcia 14-5-0 Welterweight
- Edil Esengulov Middleweight
- Edilberto de Oliveira Middleweight
- Edimilson Souza Catchweight
- Edmen Shahbazyan 16-6-0 Middleweight
- Ednaldo Oliveira 13-2-1 Heavyweight
- Edson Barboza 24-14-0 Lightweight
- Eduarda Moura 12-2-0 Women's Flyweight
- Eduardo Chapolin Catchweight
- Edward Faaloloto 5-3-0 Welterweight
- Edwin Dewees 34-10-0 Heavyweight
- Edwin Figueroa 9-4-0 Bantamweight
- Efrain Escudero 25-11-0 Catchweight
- Eiji Mitsuoka 18-9-2 Featherweight
- Eldo Dias Xavier
- Elias Garcia 6-2-0 Flyweight
- Elias Silvério 11-2-0 Welterweight
- Elias Theodorou 17-3-0 Middleweight
- Elijah Smith 10-1-0 Bantamweight
- Eliot Marshall 11-5-0 Heavyweight
- Elise Reed 8-5-0 Women's Strawweight
- Elisha Ellison 5-3-0 Heavyweight
- Elizabeth Phillips 5-4-0 Women's Bantamweight
- Elizeu Zaleski dos Santos 25-10-1 Welterweight
- Elves Brener 16-6-0 Lightweight
- Elvis Mutapčić 15-5-1 Light Heavyweight
- Elvis Sinosic 8-11-2 Light Heavyweight
- Emil Meek 9-5-1 Welterweight
- Emilios Dassi Welterweight
- Emily Ducote 13-9-0 Women's Strawweight
- Emily Kagan Women's Strawweight
- Emily Whitmire 4-5-0 Women's Flyweight
- Emmanuel Mukam Heavyweight
- Emmanuel Yarborough Heavyweight
- Enrique Barzola 17-5-2 Featherweight
- Enrique Marín 9-4-0 Catchweight
- Enson Inoue 0-0-0 Light Heavyweight
- Erhan Kartal Middleweight
- Eric Martin 1-0-0 Heavyweight
- Eric McConico 11-4-1 Middleweight
- Eric Nolan 8-5-0 Welterweight
- Eric Schafer 14-7-2 Light Heavyweight
- Eric Shelton 12-6-0 Bantamweight
- Eric Spicely 12-6-0 Light Heavyweight
- Eric Wisely 19-8-0 Welterweight
- Erica Montoya Bantamweight
- Erick Gonzalez 14-8-0 Lightweight
- Erick Montaño 8-5-0 Welterweight
- Erick Silva 19-9-0 Welterweight
- Ericka Almeida 7-2-0 Women's Strawweight
- Erik Koch 16-6-0 Welterweight
- Erik Perez 16-6-0 Featherweight
- Erik Silva 9-4-0 Featherweight
- Erin Blanchfield 14-2-0 Women's Flyweight
- Ernest Chavez 8-2-0 Lightweight
- Ernesta Kareckaite 6-2-1 Women's Flyweight
- Ernie Verdicia 0-0-0 Weight Class not available
- Eros Baluyot Flyweight
- Eryk Anders 18-9-0 Middleweight
- Esteban Ribovics 15-3-0 Lightweight
- Estevan Payan 14-6-0 Lightweight
- Ethyn Ewing 10-2-0 Bantamweight
- Eugene Jackson 1-5-0 Middleweight
- Eugenio Tadeu 0-0-0 Featherweight
- Evan Dunham 18-8-1 Catchweight
- Evan Elder 10-2-0 Lightweight
- Evan Tanner 34-8-0 Middleweight
- Ezra Elliott Featherweight
F
- Fabiano Iha 12-3-0 Lightweight
- Fabiano Scherner 5-3-0 Heavyweight
- Fabio Cherant 7-4-0 Heavyweight
- Fabio Gurgel 0-0-0 Openweight
- Fábio Maldonado 22-9-0 Heavyweight
- Fabrício Camões 14-9-1 Catchweight
- Fabrício Werdum 24-8-1 Heavyweight
- Falaniko Vitale 14-3-0 Middleweight
- Fares Ziam 18-5-0 Lightweight
- Farid Basharat 16-0-0 Bantamweight
- Farida Abdueva Women's Strawweight
- Farman Hasanov 6-0-0 Welterweight
- Fatima Kline 10-1-0 Women's Strawweight
- Felice Herrig 14-10-0 Women's Strawweight
- Felicia Spencer 9-3-0 Women's Featherweight
- Felipe Arantes 18-9-1 Bantamweight
- Felipe Bunes 14-9-0 Flyweight
- Felipe Colares 10-4-0 Featherweight
- Felipe dos Santos 8-3-0 Flyweight
- Felipe Douglas Lightweight
- Felipe Franco 11-2-0 Light Heavyweight
- Felipe Lima 14-2-0 Featherweight
- Felipe Olivieri 14-5-0 Lightweight
- Felipe Silva 8-2-0 Catchweight
- Felix Mitchell Heavyweight
- Fernando Bruno Featherweight
- Fernando Padilla 16-6-0 Featherweight
- Fernie Garcia 10-5-0 Featherweight
- Filip Pejić 10-2-0 Lightweight
- Flavio Luiz Moura Middleweight
- Floyd Sword 14-2-0 Middleweight
- Forrest Griffin 19-7-0 Light Heavyweight
- Forrest Petz 24-9-0 Middleweight
- Francesco Maturi 0-0-0 Weight Class not available
- Francimar Barroso 19-7-0 Heavyweight
- Francis Carmont 22-10-0 Light Heavyweight
- Francis Marshall 10-3-0 Lightweight
- Francis NGannou 17-3-0 Heavyweight
- Francisco Figueiredo 13-5-1 Bantamweight
- Francisco Prado 12-5-0 Welterweight
- Francisco Rivera Jr. Catchweight
- Francisco Trevino 12-2-0 Welterweight
- Francisco Trinaldo 28-9-0 Welterweight
- Frank Camacho 22-10-0 Lightweight
- Frank Caracci 0-0-0 Middleweight
- Frank Lester 3-5-0 Middleweight
- Frank Mir 18-11-0 Heavyweight
- Frank Shamrock 0-0-0 Catchweight
- Frank Trigg 19-8-0 Middleweight
- Frankie Edgar 23-11-1 Bantamweight
- Frankie Perez 10-4-0 Lightweight
- Frankie Saenz 13-7-0 Bantamweight
- Fred Ettish 0-0-0 Weight Class not available
- Freddy Vidal Light Heavyweight
- Frederic Vosgröne Light Heavyweight
- Fredson Paixão 10-4-0 Catchweight
- Fredy Serrano 3-2-0 Flyweight
- Freek Hamaker Weight Class not available
G
- Gabe Green 12-5-0 Lightweight
- Gabe Ruediger 17-7-0 Catchweight
- Gable Steveson 4-0-0 Heavyweight
- Gabriel Benítez 23-13-0 Lightweight
- Gabriel Bonfim 20-1-0 Welterweight
- Gabriel Gonzaga 17-11-0 Heavyweight
- Gabriel Miranda 17-8-0 Lightweight
- Gabriel Santos 12-2-0 Featherweight
- Gabriel Silva 7-2-0 Bantamweight
- Gabriella Fernandes 11-4-0 Women's Flyweight
- Gadzhi Omargadzhiev 13-2-0 Middleweight
- Gadzhimurad Antigulov 20-8-0 Light Heavyweight
- Gaetano Pirrello 15-7-1 Featherweight
- Galore Bofando 5-3-0 Welterweight
- Gan McGee 12-2-0 Heavyweight
- Garett Whiteley 8-3-0 Lightweight
- Garreth McLellan 13-6-0 Middleweight
- Garrett Armfield 10-5-0 Bantamweight
- Gary Goodridge 0-0-0 Heavyweight
- Gasan Umalatov 15-5-1 Middleweight
- Gaston Bolaños 9-5-0 Featherweight
- Gauge Young 11-3-0 Lightweight
- Gavin Tucker 13-3-0 Featherweight
- Geane Herrera 9-3-0 Flyweight
- Gegard Mousasi 42-6-2 Middleweight
- Genaro Valdéz 10-3-0 Lightweight
- Genki Sudo 13-3-1 Lightweight
- Geoff Neal 16-8-0 Welterweight
- George Mangos Featherweight
- George Roop 15-13-1 Featherweight
- George Sotiropoulos 14-6-0 Lightweight
- George Sullivan 17-7-0 Middleweight
- Georges St-Pierre 26-2-0 Middleweight
- Gerald Harris 16-3-0 Middleweight
- Gerald Meerschaert 37-22-0 Catchweight
- Gerald Strebendt 7-3-0 Welterweight
- Geraldo de Freitas Featherweight
- Gerard Gordeau 2-1-0 Heavyweight
- Germaine de Randamie 10-5-0 Women's Bantamweight
- Gerônimo dos Santos 31-14-0 Heavyweight
- Gerry Harris 1-4-0 Heavyweight
- Geza Kalman Heavyweight
- Giacomo Lemos 6-0-0 Heavyweight
- Gian Villante 17-14-0 Heavyweight
- Gianni Vazquez 14-6-1 Flyweight
- Gideon Ray 8-3-0 Welterweight
- Gift Walker Bantamweight
- Giga Chikadze 15-6-0 Featherweight
- Gigi Canuto Women's Strawweight
- Gil Castillo 17-2-0 Welterweight
- Gilbert Aldana 5-0-0 Heavyweight
- Gilbert Burns 22-10-0 Middleweight
- Gilbert Melendez 22-8-0 Featherweight
- Gilbert Smith 5-2-0 Catchweight
- Gilbert Urbina 7-5-0 Middleweight
- Gilbert Yvel 36-16-1 Heavyweight
- Gillian Robertson 17-8-0 Women's Strawweight
- Gina Carano 0-0-0 Women's Bantamweight
- Gina Mazany 7-6-0 Women's Flyweight
- Glaico França Middleweight
- Gleison Tibau 40-14-0 Middleweight
- Gloria de Paula 6-5-0 Women's Strawweight
- Glover Teixeira 33-9-0 Heavyweight
- Godofredo Pepey Welterweight
- Gökhan Saki 1-2-0 Heavyweight
- Gokhan Saricam 12-2-0 Heavyweight
- Goran Reljić 8-3-0 Light Heavyweight
- Grant Dawson 24-3-1 Lightweight
- Gray Maynard 14-8-1 Welterweight
- Greg Hardy 7-5-0 Heavyweight
- Greg Soto 8-2-0 Welterweight
- Greg Stott 0-0-0 Heavyweight
- Gregor Gillespie 14-1-0 Lightweight
- Gregory Rodrigues 19-6-0 Middleweight
- Grigory Popov 13-3-0 Bantamweight
- Guan Wang Featherweight
- Guangyou Ning Bantamweight
- Guido Cannetti 10-8-0 Bantamweight
- Guido Santos Featherweight
- Guilherme Bomba Welterweight
- Guilherme Pat 6-2-0 Heavyweight
- Gunnar Nelson 19-6-1 Welterweight
- Guram Kutateladze 13-5-0 Lightweight
- Gustavo Lopez 12-6-1 Bantamweight
- Guto Inocente 6-4-0 Heavyweight
- Guy Mezger 44-13-6 Light Heavyweight
- Gwan Woo Lim Featherweight
H
- Hacran Dias 23-6-1 Lightweight
- Hailey Cowan 7-5-0 Women's Bantamweight
- Haitao Ti Bantamweight
- Hakeem Dawodu 13-4-1 Featherweight
- Hamdy Abdelwahab 7-1-0 Heavyweight
- Hamid Amiri Featherweight
- Hannah Cifers 10-7-0 Women's Strawweight
- Hannah Goldy 6-4-0 Women's Flyweight
- Hans Stringer 22-7-3 Light Heavyweight
- Harold Howard 0-0-0 Weight Class not available
- Harry Hardwick 13-5-1 Featherweight
- Harry Hunsucker 7-6-0 Light Heavyweight
- Harry Moskowitz 0-0-0 Heavyweight
- Hassan Kayani Lightweight
- Hatsu Hioki 27-8-2 Lightweight
- Hayato Sakurai 16-3-2 Welterweight
- Hayder Hassan 6-3-0 Welterweight
- He-Man Gipson 0-0-0 Heavyweight
- Heath Herring 28-14-0 Openweight
- Heather Clark Women's Strawweight
- Hecher Sosa 15-1-0 Bantamweight
- Hector Aldana 4-2-0 Welterweight
- Hector Lombard 34-9-1 Light Heavyweight
- Hector Ramirez 6-2-1 Light Heavyweight
- Hector Sandoval 14-4-0 Bantamweight
- Hector Urbina 25-10-0 Middleweight
- Henrique Melo Welterweight
- Henry Briones 19-8-1 Bantamweight
- Henry Cejudo 16-6-0 Bantamweight
- Henry Martinez 9-3-0 Lightweight
- Herbert Burns 11-6-0 Welterweight
- Hermes França 20-8-0 Welterweight
- Hernani Perpétuo 17-5-0 Welterweight
- Holly Holm 15-7-0 Women's Bantamweight
- Homer Moore 17-2-0 Heavyweight
- Horacio Gutiérrez 3-3-0 Featherweight
- Houston Alexander 9-5-0 Light Heavyweight
- Houston Dorr 0-0-0 Heavyweight
- Huaxiang Dong Women's Strawweight
- Hugo Duarte 0-0-0 Heavyweight
- Hugo Viana 8-4-0 Bantamweight
- Humberto Bandenay 14-7-0 Featherweight
- Humberto Brown Morrison Lightweight
- Hunter Azure 9-2-0 Bantamweight
- Hyder Amil 11-3-0 Featherweight
- Hyun Gyu Lim 13-7-1 Middleweight
- HyunSung Park 10-2-0 Flyweight
I
- Iago Ribeiro Flyweight
- Ian Entwistle 9-3-0 Featherweight
- Ian Freeman 14-6-1 Heavyweight
- Ian Heinisch 14-5-0 Middleweight
- Ian Loveland 14-9-0 Featherweight
- Ian Machado Garry 17-1-0 Welterweight
- Ian McCall 13-5-1 Bantamweight
- Iasmin Lucindo 18-6-0 Women's Strawweight
- Ibo Aslan 14-4-0 Light Heavyweight
- Icho Larenas 3-2-0 Heavyweight
- Ignacio Bahamondes 17-7-0 Welterweight
- Igor Araújo 25-8-0 Catchweight
- Igor Pokrajac 25-13-0 Heavyweight
- Igor Severino 8-1-0 Bantamweight
- Igor Zinoviev 0-0-0 Middleweight
- Ihor Potieria 20-8-0 Catchweight
- Ike Villanueva Heavyweight
- Ikram Aliskerov 18-2-0 Middleweight
- Ikuhisa Minowa 0-0-0 Heavyweight
- Ildemar Alcântara 21-8-0 Middleweight
- Ilia Topuria 17-1-0 Lightweight
- Iliarde Santos 27-9-1 Bantamweight
- Ilir Latifi 17-9-0 Heavyweight
- Imamshafi Aliev Light Heavyweight
- Imanol Rodriguez 7-0-0 Flyweight
- Impa Kasanganay 9-2-0 Middleweight
- Ion Cutelaba 20-12-1 Light Heavyweight
- Irene Aldana 15-8-0 Women's Bantamweight
- Irina Alekseeva 5-4-0 Women's Bantamweight
- Irwin Rivera 10-6-0 Bantamweight
- Isaac Dulgarian 7-2-0 Featherweight
- Isaac Omeda Featherweight
- Isaac Thomson 9-3-0 Featherweight
- Isaac Vallie-Flagg 14-5-1 Lightweight
- Isabela de Pádua 0-1-0 Women's Flyweight
- Isi Fitikefu 0-0-0 Middleweight
- Islam Dulatov 12-1-0 Welterweight
- Islam Makhachev 28-1-0 Welterweight
- Ismael Bonfim 20-7-0 Lightweight
- Ismail Naurdiev 25-8-0 Middleweight
- Israel Adesanya 24-6-0 Middleweight
- Issei Tamura 7-4-0 Featherweight
- Istela Nunes 6-6-0 Women's Strawweight
- Iuri Alcântara 35-10-0 Featherweight
- Ivan Erslan 15-6-0 Light Heavyweight
- Ivan Jorge 26-5-0 Welterweight
- Ivan Menjivar 25-12-0 Featherweight
- Ivan Salaverry 12-6-1 Middleweight
- Ivan Serati 10-3-0 Light Heavyweight
- Ivan Shtyrkov 16-0-1 Heavyweight
- Ivana Petrović 7-3-0 Women's Flyweight
- Ivica Trušček Welterweight
- Iwo Baraniewski 9-0-0 Light Heavyweight
- Izabela Badurek 5-3-0 Women's Strawweight
J
- Jack Della Maddalena 18-4-0 Welterweight
- Jack Hermansson 24-10-0 Welterweight
- Jack Jenkins 14-4-0 Featherweight
- Jack Marshman 23-10-0 Middleweight
- Jack May 7-2-0 Heavyweight
- Jack McGlaughlin 0-0-0 Heavyweight
- Jack Nilson Heavyweight
- Jack Shore 17-3-0 Featherweight
- Jackie Lee 0-0-0 Lightweight
- Jackson McVey 7-2-0 Middleweight
- Jacob Kilburn 8-4-0 Featherweight
- Jacob Malkoun 10-3-0 Catchweight
- Jacob Volkmann 15-4-0 Welterweight
- Jacobe Smith 12-0-0 Welterweight
- Jacqueline Cavalcanti 10-2-0 Women's Bantamweight
- Jae Hyun Park 1-2-0 Lightweight
- Jafel Filho 17-5-0 Bantamweight
- Jai Herbert 14-6-1 Lightweight
- Jailton Almeida 22-5-0 Heavyweight
- Jairzinho Rozenstruik 15-6-0 Heavyweight
- Jake Collier 13-10-0 Light Heavyweight
- Jake Ellenberger 31-15-0 Welterweight
- Jake Hadley 11-4-0 Bantamweight
- Jake Hecht 11-4-0 Welterweight
- Jake Lindsey 9-3-0 Welterweight
- Jake Matthews 23-8-0 Welterweight
- Jake O'Brien Heavyweight
- Jake Rosholt 6-2-0 Light Heavyweight
- Jake Shields 29-7-1 Middleweight
- Jakub Wiklacz 18-3-2 Bantamweight
- Jalin Turner 15-9-0 Lightweight
- Jamahal Hill 12-4-0 Light Heavyweight
- Jamal Pogues 11-5-0 Heavyweight
- Jamall Emmers 22-8-0 Featherweight
- James Bochnovic 8-3-0 Catchweight
- James Gallagher Featherweight
- James Giboo 11-3-0 Welterweight
- James Hammortree 5-2-0 Middleweight
- James Head 9-4-0 Welterweight
- James Irvin 14-7-0 Middleweight
- James Krause 28-9-0 Welterweight
- James Lee 25-3-0 Light Heavyweight
- James Llontop 14-5-0 Welterweight
- James McSweeney 13-7-0 Heavyweight
- James Moontasri 9-5-0 Welterweight
- James Mulheron 11-2-0 Light Heavyweight
- James Opio Featherweight
- James Te Huna 18-9-0 Light Heavyweight
- James Toney 0-1-0 Heavyweight
- James Vick 13-5-0 Welterweight
- James Wilks 8-4-0 Welterweight
- James Zikic 16-3-0 Middleweight
- Jamey Simmons 7-4-0 Bantamweight
- Jamey-Lyn Horth 9-3-0 Women's Flyweight
- Jamie Moyle 4-3-0 Women's Strawweight
- Jamie Mullarkey 18-9-0 Lightweight
- Jamie Pickett 13-11-0 Middleweight
- Jamie Siraj 14-4-0 Bantamweight
- Jamie Varner 21-11-1 Lightweight
- Jamie Yager 2-2-0 Welterweight
- Jan Błachowicz 29-11-2 Light Heavyweight
- Jan Mašek Featherweight
- Jaqueline Amorim 11-2-0 Women's Strawweight
- Jared Cannonier 18-10-0 Middleweight
- Jared Gooden 23-10-0 Light Heavyweight
- Jared Gordon 21-9-0 Lightweight
- Jared Hamman 13-6-0 Openweight
- Jared Papazian 14-9-0 Bantamweight
- Jared Rollins 9-4-0 Welterweight
- Jared Rosholt 14-3-0 Heavyweight
- Jared Vanderaa 12-10-0 Light Heavyweight
- Jarjis Danho 7-1-1 Heavyweight
- Jarno Errens 14-6-1 Featherweight
- Jarred Brooks 14-2-0 Bantamweight
- Jasmine Jasudavicius 15-4-0 Women's Flyweight
- Jason Black 22-4-1 Lightweight
- Jason Brilz 18-5-1 Heavyweight
- Jason Chambers Welterweight
- Jason Day 17-7-0 Light Heavyweight
- Jason DeLucia 2-2-0 Middleweight
- Jason Dent 19-11-0 Featherweight
- Jason Fairn 0-0-0 Heavyweight
- Jason Gilliam 11-1-0 Welterweight
- Jason Godsey Heavyweight
- Jason Gonzalez 11-5-0 Lightweight
- Jason High 19-5-0 Lightweight
- Jason Knight 20-6-0 Featherweight
- Jason Lambert 23-8-0 Light Heavyweight
- Jason MacDonald 26-16-0 Middleweight
- Jason Miller 24-10-0 Middleweight
- Jason Novelli 11-3-0 Welterweight
- Jason Reinhardt 20-3-0 Lightweight
- Jason Saggo 12-4-0 Lightweight
- Jason Tan 6-3-0 Welterweight
- Jason Thacker 0-0-0 Middleweight
- Jason Von Flue 13-6-1 Middleweight
- Jason Witt 19-9-0 Catchweight
- Jason Young 9-6-0 Featherweight
- Javid Basharat 15-2-0 Bantamweight
- Javier Reyes 23-6-0 Featherweight
- Javier Vazquez 16-5-0 Featherweight
- Jay Cucciniello 9-1-0 Lightweight
- Jay Hieron 23-7-0 Welterweight
- Jay Perrin 10-7-0 Featherweight
- Jay Silva 5-3-0 Super Heavyweight
- JC Cottrell 17-5-0 Lightweight
- Jean Matsumoto 18-2-0 Bantamweight
- Jean Silva 17-3-0 Featherweight
- Jean-Paul Lebosnoyani 11-2-0 Welterweight
- Jeff Cox 14-5-0 Catchweight
- Jeff Curran 35-15-1 Bantamweight
- Jeff Hougland 10-6-0 Bantamweight
- Jeff Hughes 10-4-0 Heavyweight
- Jeff Joslin 5-3-0 Welterweight
- Jeff Monson 24-5-0 Heavyweight
- Jeff Newton 4-2-0 Light Heavyweight
- Jefferson Nascimento 13-1-0 Welterweight
- Jeffrey Molina 11-2-0 Flyweight
- Jeisla Chaves 8-0-0 Women's Strawweight
- Jeka Saragih 14-5-0 Featherweight
- Jenel Lausa 7-4-0 Flyweight
- Jennifer González 0-0-0 Women's Flyweight
- Jennifer Maia 21-10-1 Women's Flyweight
- Jens Pulver 22-13-1 Bantamweight
- JeongYeong Lee 11-3-0 Featherweight
- Jeremiah Wells 13-4-1 Welterweight
- Jeremy Horn 88-19-5 Heavyweight
- Jeremy Jackson 9-4-0 Welterweight
- Jeremy Kennedy 11-1-0 Featherweight
- Jeremy Kimball 15-8-0 Heavyweight
- Jeremy Larsen 8-5-0 Catchweight
- Jeremy Stephens 29-23-0 Catchweight
- Jermaine Andre 0-0-0 Middleweight
- Jerome LeBanner Openweight
- Jerome Rivera 10-6-0 Flyweight
- Jerrod Sanders 15-3-0 Featherweight
- Jerry Bohlander 0-0-0 Light Heavyweight
- Jess Liaudin 12-11-0 Welterweight
- Jessamyn Duke 3-3-0 Women's Bantamweight
- Jesse Bongfeldt 15-5-1 Catchweight
- Jesse Butler 12-6-0 Featherweight
- Jesse Forbes 13-6-0 Middleweight
- Jesse Lennox 15-3-0 Welterweight
- Jesse Ronson 21-12-0 Welterweight
- Jesse Sanders 21-5-0 Middleweight
- Jesse Strader 5-3-0 Featherweight
- Jesse Taylor 32-15-0 Middleweight
- Jessica Aguilar 20-8-0 Women's Strawweight
- Jéssica Andrade 26-15-0 Women's Strawweight
- Jessica Eye 15-11-0 Women's Flyweight
- Jessica Penne 14-9-0 Women's Strawweight
- Jessica Rakoczy 1-4-0 Women's Strawweight
- Jessica-Rose Clark 11-9-0 Women's Bantamweight
- Jessie Rosas Featherweight
- Jessin Ayari 16-6-0 Welterweight
- Jesus Aguilar 12-4-0 Flyweight
- Jesus Pinedo 16-5-1 Featherweight
- Jhonata Diniz 9-2-0 Heavyweight
- Ji Yeon Kim 9-7-2 Women's Flyweight
- Jianping Yang 7-4-1 Catchweight
- Jim Alers 13-3-0 Lightweight
- Jim Miller 39-19-0 Lightweight
- Jim Mullen 0-0-0 Heavyweight
- Jim Wallhead Welterweight
- Jimi Manuwa 17-6-0 Light Heavyweight
- Jimmie Rivera 23-5-0 Bantamweight
- Jimmy Crute 14-4-2 Light Heavyweight
- Jimmy Flick 17-9-0 Flyweight
- Jimmy Quinlan 3-1-0 Middleweight
- Jimy Hettes 11-3-0 Featherweight
- Jin Aoi Featherweight
- Jin Soo Son 9-4-0 Bantamweight
- Jingliang Li Welterweight
- Jingnan Xiong Strawweight
- Jinh Yu Frey 11-10-0 Women's Strawweight
- Jiří Procházka 32-6-1 Light Heavyweight
- JJ Aldrich 15-7-0 Women's Flyweight
- Joachim Christensen 14-6-0 Light Heavyweight
- Joanderson Brito 19-5-1 Featherweight
- Joanna Jędrzejczyk 16-5-0 Women's Strawweight
- Joanne Wood 17-8-0 Women's Flyweight
- João Marcos Pierini Lightweight
- Joao Roque 0-0-0 Featherweight
- João Zeferino 13-6-0 Middleweight
- Joaquim Silva 14-6-0 Lightweight
- Joaquin Buckley 21-8-0 Welterweight
- Joby Sanchez 11-4-0 Bantamweight
- Jocelyn Jones-Lybarger 6-4-0 Women's Strawweight
- Jodie Esquibel 6-6-0 Women's Strawweight
- Joe Brammer 7-2-1 Lightweight
- Joe Charles 0-0-0 Heavyweight
- Joe Doerksen 45-14-0 Middleweight
- Joe Duffy 16-5-0 Lightweight
- Joe Ellenberger 15-2-0 Lightweight
- Joe Giannetti 7-1-0 Lightweight
- Joe Gigliotti Welterweight
- Joe Jordan 23-10-2 Welterweight
- Joe Lauzon 28-16-0 Lightweight
- Joe Moreira Middleweight
- Joe Pardo 0-0-0 Heavyweight
- Joe Proctor 11-5-0 Welterweight
- Joe Pyfer 16-3-0 Middleweight
- Joe Riggs 41-17-0 Heavyweight
- Joe Slick 0-0-0 Heavyweight
- Joe Solecki 13-6-0 Welterweight
- Joe Son 0-0-0 Heavyweight
- Joe Soto 18-7-0 Bantamweight
- Joe Stevenson 36-14-0 Welterweight
- Joe Vedepo 9-3-0 Middleweight
- Joe Veres 5-3-0 Lightweight
- Joel Alvarez 23-4-0 Welterweight
- Joel Sutton 0-0-0 Heavyweight
- Joey Beltran 14-9-0 Heavyweight
- Joey Gambino 9-2-0 Featherweight
- Joey Gilbert 0-0-0 Middleweight
- Joey Gomez 6-2-0 Featherweight
- Joey Merritt Welterweight
- Joey Roberts 0-0-0 Light Heavyweight
- Joffie Houlton Heavyweight
- John Albert 7-5-0 Bantamweight
- John Alessio 34-16-0 Lightweight
- John Allan 13-7-0 Light Heavyweight
- John Campatella Weight Class not available
- John Castañeda 21-8-1 Catchweight
- John Cholish 8-3-0 Lightweight
- John Cofer 7-4-0 Featherweight
- John Dodson 22-12-0 Flyweight
- John Dowdy 0-0-0 Weight Class not available
- John Garza 6-2-0 Bantamweight
- John Gunderson 23-8-0 Lightweight
- John Gunther 7-2-0 Lightweight
- John Halverson 16-6-0 Lightweight
- John Hathaway 17-2-0 Welterweight
- John Howard 23-12-0 Welterweight
- John Kolosci 8-5-0 Catchweight
- John Lewis 0-0-0 Bantamweight
- John Lineker 31-9-0 Featherweight
- John Lober 0-0-0 Light Heavyweight
- John Maguire 18-6-0 Welterweight
- John Makdessi 18-9-0 Lightweight
- John Marsh 12-4-0 Heavyweight
- John Martin Fraser Light Heavyweight
- John Matua 0-0-0 Heavyweight
- John Moraga 19-7-0 Flyweight
- John Olav Einemo Heavyweight
- John Phillips 22-11-0 Middleweight
- John Polakowski 2-2-0 Lightweight
- John Salter 5-2-0 Middleweight
- John Teixeira 13-1-1 Featherweight
- John Yannis 10-5-0 Bantamweight
- Johnny Bedford 19-13-1 Bantamweight
- Johnny Case 22-6-0 Lightweight
- Johnny Eduardo 28-13-0 Bantamweight
- Johnny Munoz Jr. Bantamweight
- Johnny Rees 10-2-0 Welterweight
- Johnny Rhodes 0-0-0 Weight Class not available
- Johnny Walker 22-10-0 Heavyweight
- Johny Hendricks 18-8-0 Middleweight
- Joilton Lutterbach 38-9-0 Middleweight
- Jon Delos Reyes 8-5-0 Flyweight
- Jon Fitch 27-5-1 Welterweight
- Jon Hess 0-0-0 Heavyweight
- Jon Jones 28-1-0 Heavyweight
- Jon Madsen 7-1-0 Heavyweight
- Jon Manley 7-3-0 Welterweight
- Jon Tuck 10-5-0 Welterweight
- Jonathan Brookins 13-3-0 Bantamweight
- Jonathan Goulet 22-11-0 Welterweight
- Jonathan Martinez 19-6-0 Bantamweight
- Jonathan Meunier 8-1-0 Welterweight
- Jonathan Micallef 10-1-0 Welterweight
- Jonathan Pearce 14-7-0 Featherweight
- Jonathan Wiezorek 7-1-0 Super Heavyweight
- Jonathan Wilson 7-3-0 Light Heavyweight
- Jonavin Webb 8-2-0 Middleweight
- Jonny Parsons 9-3-0 Welterweight
- JooSang Yoo 9-1-0 Featherweight
- Jora Ayvazyan Featherweight
- Jordan Espinosa 15-9-0 Bantamweight
- Jordan Griffin 18-9-0 Catchweight
- Jordan Johnson 10-0-0 Light Heavyweight
- Jordan Leavitt 13-4-0 Featherweight
- Jordan Mein 30-12-0 Middleweight
- Jordan Radev 16-3-0 Catchweight
- Jordan Rinaldi 14-7-0 Featherweight
- Jordan Vucenic 13-4-0 Lightweight
- Jordan Williams 9-6-0 Welterweight
- Jordan Wright 12-5-0 Middleweight
- Jorge de Oliveira 7-2-0 Welterweight
- Jorge Gonzalez 16-4-0 Light Heavyweight
- Jorge Gurgel 17-8-0 Lightweight
- Jorge Lopez 11-3-0 Welterweight
- Jorge Masvidal 35-17-0 Welterweight
- Jorge Patino 0-0-0 Lightweight
- Jorge Rivera 19-9-0 Middleweight
- Jorge Santiago 23-11-0 Welterweight
- Jorgen Kruth 5-0-0 Light Heavyweight
- José Aldo 32-10-0 Featherweight
- Jose Daniel Medina 11-7-0 Middleweight
- José Delano 17-3-0 Featherweight
- Jose Delgado Featherweight
- José Henrique Souza Welterweight
- Jose Johnson 16-10-0 Featherweight
- Jose Landi-Jons 0-0-0 Middleweight
- José Luiz Heavyweight
- José Maria Tomé Bantamweight
- Jose Ochoa 9-2-0 Flyweight
- Jose Quinonez 9-5-0 Featherweight
- Jose Torres 8-1-0 Bantamweight
- Josefine Knutsson 8-1-0 Women's Strawweight
- Joselyne Edwards 18-6-0 Women's Bantamweight
- Joseph Benavidez 28-8-0 Flyweight
- Joseph Holmes 8-4-0 Middleweight
- Joseph Larcinese Flyweight
- Joseph Morales 15-2-0 Flyweight
- Joseph Sandoval 6-2-0 Bantamweight
- Josh Barnett 35-8-0 Openweight
- Josh Bryant 10-2-0 Middleweight
- Josh Burkman Catchweight
- Josh Clopton 6-2-1 Featherweight
- Josh Copeland 9-2-0 Heavyweight
- Josh Culibao 11-4-1 Featherweight
- Josh Emmett 19-7-0 Featherweight
- Josh Ferguson 7-5-0 Catchweight
- Josh Fremd 11-6-0 Middleweight
- Josh Grispi 14-5-0 Lightweight
- Josh Haynes 9-7-0 Light Heavyweight
- Josh Hendricks 18-5-0 Heavyweight
- Josh Hokit 10-0-0 Heavyweight
- Josh Janousek Middleweight
- Josh Koscheck 19-10-0 Welterweight
- Josh Neer 33-13-1 Middleweight
- Josh Parisian 15-8-0 Heavyweight
- Josh Quinlan 6-3-0 Welterweight
- Josh Rafferty Welterweight
- Josh Samman 12-5-0 Middleweight
- Josh Sampo 11-5-0 Bantamweight
- Josh Schockman Light Heavyweight
- Josh Shockley 11-4-0 Lightweight
- Josh Stansbury Light Heavyweight
- Josh Stuart 0-0-0 Lightweight
- Josh Thomson 20-8-0 Lightweight
- Joshua Van 17-2-0 Flyweight
- Joshua Weems 11-3-0 Featherweight
- Josiah Harrell 11-5-0 Welterweight
- Josiane Nunes 10-4-0 Women's Bantamweight
- Josias Musasa 8-2-0 Bantamweight
- Journey Newson 10-5-0 Featherweight
- Jovan Leka Heavyweight
- JP Buys 9-6-0 Bantamweight
- Juan Adams 5-3-0 Heavyweight
- Juan Díaz 16-1-1 Bantamweight
- Juan Espino 11-2-0 Heavyweight
- Juan Manuel Puig Featherweight
- Juancamilo Ronderos 4-2-0 Flyweight
- Jules Bruchez 0-1-0 Middleweight
- Julia Avila 9-4-0 Women's Bantamweight
- Julia Polastri 14-6-0 Women's Strawweight
- Julian Erosa 31-14-0 Featherweight
- Julian Marquez 9-6-0 Middleweight
- Julian Sanchez 0-0-0 Weight Class not available
- Juliana Lima 9-5-0 Women's Strawweight
- Juliana Miller 6-4-0 Women's Flyweight
- Julianna Peña 13-6-0 Women's Bantamweight
- Julie Kedzie 16-13-0 Women's Bantamweight
- Julien Leblanc 10-3-0 Middleweight
- Julija Stoliarenko 11-10-2 Women's Flyweight
- Julio Arce 19-6-0 Featherweight
- Julio Paulino 18-4-0 Heavyweight
- Julius Walker 7-3-0 Light Heavyweight
- Junie Browning 3-2-0 Lightweight
- Júnior Albini 14-6-0 Heavyweight
- Júnior Assunção 14-5-0 Lightweight
- Junior dos Santos Heavyweight
- Junior Tafa 7-6-0 Light Heavyweight
- JunYong Park 19-7-0 Middleweight
- Jussier Formiga 23-8-0 Bantamweight
- Justin Buchholz 9-5-0 Welterweight
- Justin Clarke Heavyweight
- Justin Edwards 9-5-0 Welterweight
- Justin Eilers 9-5-1 Heavyweight
- Justin Frazier 0-1-0 Heavyweight
- Justin Gaethje 28-5-0 Lightweight
- Justin James 22-5-0 Lightweight
- Justin Jaynes 16-8-0 Lightweight
- Justin Jones 9-2-0 Middleweight
- Justin Lawrence 4-2-0 Featherweight
- Justin Ledet 9-4-0 Light Heavyweight
- Justin Levens 7-2-0 Middleweight
- Justin Martin 0-0-0 Heavyweight
- Justin McCully 9-5-2 Heavyweight
- Justin Salas 12-7-0 Lightweight
- Justin Scoggins 11-5-0 Bantamweight
- Justin Tafa 7-5-0 Heavyweight
- Justin Willis 8-2-0 Heavyweight
- Justin Wren 10-2-0 Heavyweight
- Justine Kish 7-4-0 Women's Flyweight
- Jutaro Nakao 11-8-2 Welterweight
K
- Kaan Ofli 15-4-1 Featherweight
- Kacper Paczóski Heavyweight
- Kai Asakura 22-6-0 Bantamweight
- Kai Kamaka III Featherweight
- Kai Kara-France 25-12-0 Flyweight
- Kailin Curran 4-6-0 Women's Strawweight
- Kaito Oda Flyweight
- Kaiwen Featherweight
- Kajan Johnson 23-14-1 Lightweight
- Kalib Starnes 10-4-1 Heavyweight
- Kalindra Faria 18-8-1 Women's Flyweight
- Kamal Shalorus 7-3-2 Lightweight
- Kamaru Usman 21-5-0 Middleweight
- Kamuela Kirk 12-6-0 Lightweight
- Kanako Murata 12-3-0 Women's Strawweight
- Kangjie Zhu Featherweight
- Karim Henniene Bantamweight
- Karine Gevorgyan 3-3-0 Women's Flyweight
- Karine Silva 19-7-0 Women's Flyweight
- Karl Roberson 9-6-0 Middleweight
- Karl Williams 10-2-0 Heavyweight
- Karlos Vémola 10-4-0 Light Heavyweight
- Karo Parisyan 26-6-0 Welterweight
- Karol Rosa 19-8-0 Women's Bantamweight
- Karolina Kowalkiewicz 16-10-0 Women's Strawweight
- Karolína Vaňková Flyweight
- Kasib Murdoch Bantamweight
- Kasim Aras Heavyweight
- Katharina Lehner Bantamweight
- Katlyn Cerminara 18-6-0 Women's Flyweight
- Katsuhisa Fujii Light Heavyweight
- Katsunori Kikuno 23-8-2 Super Heavyweight
- Kauê Fernandes 11-2-0 Lightweight
- Kay Hansen 7-6-0 Women's Strawweight
- Kayla Harrison 19-1-0 Women's Bantamweight
- Kaynan Kruschewsky 15-3-0 Lightweight
- Kazuhiro Nakamura 11-8-0 Middleweight
- Kazuki Tokudome 12-6-1 Lightweight
- Kazula Vargas 12-5-0 Lightweight
- Kazuo Takahashi Middleweight
- Kazushi Sakuraba 26-17-1 Welterweight
- KB Bhullar 8-2-0 Middleweight
- Keigo Kunihara 3-3-0 Heavyweight
- Keiichiro Nakamura 8-1-0 Featherweight
- Keiichiro Yamamiya Middleweight
- Keita Nakamura 34-10-2 Lightweight
- Keith Berish 5-1-0 Middleweight
- Keith Hackney 0-0-0 Weight Class not available
- Keith Jardine 16-11-2 Middleweight
- Keith Mielke 0-0-0 Light Heavyweight
- Keith Rockel 10-4-1 Light Heavyweight
- Keith Wisniewski 28-14-1 Welterweight
- Kelly Dullanty 4-1-0 Lightweight
- Kelly Faszholz 3-2-0 Women's Bantamweight
- Kelvin Gastelum 21-11-0 Middleweight
- Ken Shamrock 26-11-2 Heavyweight
- Ken Stone 11-4-0 Bantamweight
- Kenan Song Welterweight
- Kendall Grove 14-9-0 Catchweight
- Kenichi Yamamoto 0-0-0 Light Heavyweight
- Kennedy Freeman 0-0-0 Women's Flyweight
- Kennedy Nzechukwu 14-6-1 Heavyweight
- Kennedy Rayomba Middleweight
- Kenneth Bergh 6-0-0 Light Heavyweight
- Kenny Florian 16-6-0 Featherweight
- Kenny Robertson 15-5-0 Welterweight
- Kerry Schall 19-7-0 Heavyweight
- Ketlen Souza 17-6-0 Women's Strawweight
- Ketlen Vieira 16-5-0 Women's Bantamweight
- Kevin Aguilar 17-5-0 Featherweight
- Kevin Borjas 11-5-0 Flyweight
- Kevin Burns 8-4-0 Welterweight
- Kevin Casey 9-5-1 Middleweight
- Kevin Christian 9-3-0 Light Heavyweight
- Kevin Croom 21-15-0 Catchweight
- Kevin Holland 29-15-0 Welterweight
- Kevin Jackson 0-0-0 Middleweight
- Kevin Jordan 7-4-0 Heavyweight
- Kevin Jousset 10-4-0 Welterweight
- Kevin Lee 18-8-0 Lightweight
- Kevin Natividad 9-4-0 Bantamweight
- Kevin Randleman 10-5-0 Heavyweight
- Kevin Rosier 1-2-0 Heavyweight
- Kevin Vallejos 17-1-0 Featherweight
- Khabib Nurmagomedov 29-0-0 Lightweight
- Khadis Ibragimov 8-4-0 Heavyweight
- Khalid Murtazaliev 14-2-0 Middleweight
- Khalid Taha 13-5-0 Featherweight
- Khalil Rountree Jr. 15-7-0 Light Heavyweight
- Khama Worthy 16-9-0 Welterweight
- Khamzat Chimaev 15-1-0 Middleweight
- Khaos Williams 16-5-0 Welterweight
- Kholmurod Nurmatov Bantamweight
- Khurshed Kakhorov Bantamweight
- Khusein Askhabov 23-1-0 Featherweight
- Kiefer Crosbie 10-6-0 Welterweight
- Kiichi Kunimoto 19-6-2 Welterweight
- Kimbert Alintozon Flyweight
- Kimbo Slice Heavyweight
- Kimo Leopoldo 10-4-1 Heavyweight
- King Green 36-17-1 Lightweight
- Kiru Sahota Flyweight
- Kit Cope 0-0-0 Catchweight
- Kitt Campbell 0-0-0 Welterweight
- KJ Noons 12-8-0 Lightweight
- Klaudia Syguła 7-2-0 Women's Bantamweight Division
- Kleydson Rodrigues 8-4-0 Bantamweight
- Klidson Abreu 15-4-0 Heavyweight
- Kody Steele 8-1-0 Lightweight
- Koji Kitao 0-0-0 Super Heavyweight
- Koji Oishi 11-4-4 Featherweight
- Konstantin Erokhin 9-3-0 Heavyweight
- Kris McCray 6-3-0 Welterweight
- Kris Moutinho 14-8-0 Lightweight
- Kris Rotharmel Light Heavyweight
- Kristof Midoux Heavyweight
- Kron Gracie 5-3-0 Featherweight
- Krzysztof Jotko 24-6-0 Middleweight
- Krzysztof Soszynski 22-13-1 Light Heavyweight
- Kuat Khamitov Welterweight
- Kuniyoshi Hironaka 11-5-0 Lightweight
- Kurban Zaynukov Catchweight
- Kurt Holobaugh 22-10-0 Lightweight
- Kurt Pellegrino 21-6-0 Lightweight
- Kurtis Campbell 8-1-0 Featherweight
- Kwan Ho Kwak 9-2-0 Bantamweight
- Kyle Bochniak 8-5-0 Featherweight
- Kyle Bradley 14-7-0 Lightweight
- Kyle Daukaus 17-4-0 Middleweight
- Kyle Kingsbury 11-6-0 Light Heavyweight
- Kyle Nelson 17-7-1 Lightweight
- Kyle Noke 22-10-1 Welterweight
- Kyle Prepolec 18-10-0 Lightweight
- Kyle Stewart 8-2-0 Middleweight
- Kyle Watson 16-8-1 Lightweight
- Kyler Phillips 12-5-0 Bantamweight
- Kyoji Horiguchi 36-6-0 Flyweight
- Kyung Ho Kang 19-11-0 Bantamweight
L
- Lance Benoist 7-2-0 Welterweight
- Lance Gibson Jr. 10-2-0 Lightweight
- Lance Gibson Sr. Middleweight
- Lando Vannata 12-8-2 Lightweight
- Landon Quiñones 7-3-1 Lightweight
- Lara Procopio 7-2-0 Women's Flyweight
- Larissa Pacheco 10-2-0 Women's Bantamweight
- Larry Cureton 0-0-0 Heavyweight
- Laura Grzyb Flyweight
- Laureano Staropoli 9-5-0 Welterweight
- Lauren Mueller 5-3-0 Women's Flyweight
- Lauren Murphy 16-7-0 Women's Flyweight
- Lavar Johnson 17-7-0 Heavyweight
- LaVerne Clark 0-0-0 Light Heavyweight
- Lawrence Lui 8-1-0 Bantamweight
- Leah Letson 5-3-0 Women's Featherweight
- Leandro Issa 13-6-0 Featherweight
- Leandro Silva 19-4-1 Welterweight
- Lee Murray 9-1-1 Middleweight
- Leigh Remedios 11-3-1 Bantamweight
- Leo Brichta Featherweight
- Leo Kuntz 17-3-1 Welterweight
- Leon Edwards 22-6-0 Welterweight
- Leon Shahbazyan 12-5-0 Welterweight
- Leonard Garcia 19-11-1 Lightweight
- Leonardo Guimarães Light Heavyweight
- Leonardo Mafra 12-3-0 Catchweight
- Leonardo Morales 5-2-0 Featherweight
- Leonardo Santos 18-7-1 Lightweight
- Lerone Murphy 17-1-1 Featherweight
- Lerryan Douglas 14-5-0 Featherweight
- Leslie Smith 10-7-1 Women's Bantamweight
- Levan Chokheli 15-3-0 Welterweight
- Levan Makashvili 10-2-1 Lightweight
- Levi Rodrigues Light Heavyweight
- Lewis Gonzalez 10-2-0 Welterweight
- Liana Jojua 8-5-0 Women's Flyweight
- Liliya Shakirova 8-2-0 Women's Flyweight
- Lina Länsberg 10-8-0 Women's Bantamweight
- Lipeng Zhang Welterweight
- Lisa Ellis 15-9-0 Women's Strawweight
- Liudvik Sholinian 9-4-0 Bantamweight
- Livinha Souza 14-4-0 Women's Strawweight
- Liz Carmouche 13-7-0 Women's Flyweight
- Lodune Sincaid 0-0-0 Light Heavyweight
- Logan Clark 9-0-0 Light Heavyweight
- Loik Radzhabov 18-6-1 Lightweight
- Loma Lookboonmee 10-5-0 Women's Strawweight
- Lone'er Kavanagh 10-2-0 Flyweight
- Long Xiao Bantamweight
- Loopy Godinez 14-6-0 Women's Strawweight
- Lorenz Larkin 18-5-0 Welterweight
- Losene Keita 16-2-0 Featherweight
- Louie Sutherland 11-6-0 Heavyweight
- Louis Cosce 7-2-0 Welterweight
- Louis Gaudinot 6-4-0 Bantamweight
- Louis Smolka 17-9-0 Bantamweight
- Louis Taylor 11-3-0 Middleweight
- Lowell Anderson 0-0-0 Middleweight
- Luan Chagas 15-2-1 Welterweight
- Luan Lacerda 13-4-0 Bantamweight
- Luana Carolina 11-5-0 Women's Bantamweight
- Luana Pinheiro 11-5-0 Women's Strawweight
- Luana Santos 11-2-0 Women's Bantamweight
- Lucas Alexander 8-5-0 Featherweight
- Lucas Almeida 15-5-0 Catchweight
- Lucas Brennan 11-3-0 Lightweight
- Lucas Fernando 0-1-0 Light Heavyweight
- Lucas Martins 16-3-0 Catchweight
- Lucas Rocha 18-2-0 Flyweight
- Lucie Pudilová 14-10-0 Women's Flyweight
- Lucio Linhares 13-6-0 Light Heavyweight
- Ľudovít Klein 24-5-1 Lightweight
- Luigi Fioravanti 13-5-0 Middleweight
- Luigi Vendramini 9-3-0 Lightweight
- Luis Felipe Dias 18-5-0 Middleweight
- Luis Gurule 11-3-0 Bantamweight
- Luis Henrique 10-4-0 Heavyweight
- Luis Henrique da Silva Heavyweight
- Luis Pajuelo 8-2-0 Featherweight
- Luis Pena 9-3-0 Welterweight
- Luis Ramos 19-8-0 Welterweight
- Luis Saldaña 16-7-1 Featherweight
- Luiz Cané 0-0-0 Light Heavyweight
- Luiz Dutra Jr. Welterweight
- Luiz Garagorri 13-2-0 Lightweight
- Lukasz Brzeski 9-7-1 Heavyweight
- Łukasz Sajewski 13-3-0 Featherweight
- Luke Barnatt 8-3-0 Light Heavyweight
- Luke Caudillo 15-8-0 Lightweight
- Luke Cummo 9-6-0 Welterweight
- Luke Fernandez 6-1-0 Light Heavyweight
- Luke Jumeau 13-5-0 Welterweight
- Luke Riley 14-0-0 Featherweight
- Luke Rockhold 16-6-0 Super Heavyweight
- Luke Sanders 13-5-0 Featherweight
- Luke Zachrich 14-4-0 Middleweight
- Lyman Good 21-6-0 Welterweight
- Lyoto Machida 24-8-0 Middleweight
M
- M. Waterson-Gomez Women's Strawweight
- Mac Danzig 22-12-1 Lightweight
- Machi Fukuda Women's Strawweight
- Maciej Jewtuszko 8-1-0 Welterweight
- Mackens Semerzier 8-4-0 Featherweight
- Mackenzie Dern 16-5-0 Women's Strawweight
- Macy Chiasson 11-6-0 Women's Bantamweight
- Mads Burnell 9-3-0 Lightweight
- Magnus Cedenblad 14-5-0 Middleweight
- Magomed Ankalaev 22-2-1 Light Heavyweight
- Magomed Bibulatov 14-2-0 Bantamweight
- Magomed Gadzhiyasulov 9-1-0 Light Heavyweight
- Magomed Mustafaev 14-4-0 Lightweight
- Magomed Tuchalov Light Heavyweight
- Magomed Zaynukov 9-0-0 Lightweight
- Magomedrasul Gasanov Middleweight
- Maheshate 10-5-0 Lightweight
- Maia Kahaunaele Strawweight
- Maiquel Falcão 26-3-0 Light Heavyweight
- Mairbek Taisumov 27-6-0 Lightweight
- Mairon Santos 18-1-0 Featherweight
- Makhmud Muradov 26-8-0 Heavyweight
- Maki Pitolo 13-9-0 Catchweight
- Makwan Amirkhani 17-9-0 Lightweight
- Malcolm Gordon 14-8-0 Catchweight
- Malcolm Wellmaker 10-2-0 Bantamweight
- Mallory Martin 7-5-0 Women's Strawweight
- Mana Martinez 10-4-0 Bantamweight
- Mandel Nallo 14-4-0 Lightweight
- Mandy Böhm 8-2-0 Women's Flyweight
- Manel Kape 23-7-0 Flyweight
- Manjoor Alam Featherweight
- Manny Bermudez 14-2-0 Lightweight
- Manny Gamburyan Bantamweight
- Manny Rodriguez Welterweight
- Manoel Sousa 15-1-0 Lightweight
- Manolo Zecchini 11-5-0 Featherweight
- Manon Fiorot 13-2-0 Women's Flyweight
- Mansur Abdul-Malik 9-1-1 Middleweight
- Mansur Dadaev Welterweight
- Mantas Kondratavičius 9-1-0 Light Heavyweight
- Manuel Torres 17-4-0 Lightweight
- Mara Romero Borella 12-9-0 Flyweight
- Marc Diakiese 17-7-0 Lightweight
- Marc-André Barriault 17-11-0 Middleweight
- Marcel Fortuna 9-3-0 Middleweight
- Marcel Máša Catchweight
- Marcelo Aguiar Lightweight
- Marcelo Golm 6-3-0 Heavyweight
- Marcelo Guimarães 9-2-1 Middleweight
- Marcelo Mello Lightweight
- Marcelo Rojo 16-10-0 Featherweight
- Marcin Bandel 13-4-0 Middleweight
- Marcin Held 23-7-0 Lightweight
- Marcin Prachnio 17-9-0 Light Heavyweight
- Marcin Tybura 27-11-0 Heavyweight
- Marcin Wrzosek 10-4-0 Light Heavyweight
- Marcio Alexandre Jr. Welterweight
- Márcio Barbosa 17-2-0 Featherweight
- Marcio Cruz 2-2-0 Light Heavyweight
- Marco Beltran 8-7-0 Bantamweight
- Marco Polo Reyes 8-8-0 Lightweight
- Marco Ruas 0-0-0 Heavyweight
- Marco Tulio 14-3-0 Middleweight
- Marcos Rogério de Lima 22-10-1 Catchweight
- Marcos Rosa 6-6-0 Lightweight
- Marcos Vinicius 20-6-1 Featherweight
- Marcus Aurelio 18-8-0 Welterweight
- Marcus Bossett 0-0-0 Heavyweight
- Marcus Brimage 7-5-0 Featherweight
- Marcus Buchecha 5-3-1 Heavyweight
- Marcus Davis 22-9-0 Welterweight
- Marcus Jones 4-3-0 Heavyweight
- Marcus LeVesseur 22-7-0 Lightweight
- Marcus McGhee 11-2-0 Bantamweight
- Marcus Silveira Heavyweight
- Marek Bartl Welterweight
- Marek Bujło 6-1-0 Heavyweight
- Maria Oliveira 13-7-0 Women's Strawweight
- Marina Rodriguez 17-6-2 Women's Strawweight
- Marina Spasić Strawweight
- Mario Bautista 18-3-0 Bantamweight
- Mario Mingaj Middleweight
- Mario Miranda 12-3-0 Light Heavyweight
- Mario Neto 9-3-0 Heavyweight
- Mario Pinto 12-0-0 Heavyweight
- Marion Reneau 9-8-1 Women's Bantamweight
- Mariya Agapova 10-5-0 Women's Flyweight
- Mark Bocek 12-5-0 Lightweight
- Mark Choinski 8-1-0 Welterweight
- Mark Coleman 16-10-0 Light Heavyweight
- Mark De La Rosa 11-5-0 Bantamweight
- Mark Eddiva 6-3-0 Featherweight
- Mark Godbeer 13-3-0 Heavyweight
- Mark Hall 0-0-0 Heavyweight
- Mark Holst 8-3-0 Welterweight
- Mark Hominick 20-12-0 Featherweight
- Mark Hughes 0-0-0 Lightweight
- Mark Hunt 13-14-1 Heavyweight
- Mark Kerr 13-3-0 Heavyweight
- Mark Madsen 12-2-0 Lightweight
- Mark Muñoz 14-6-0 Middleweight
- Mark Robinson Openweight
- Mark Scanlon 7-1-0 Welterweight
- Mark Schultz 1-0-0 Weight Class not available
- Mark Striegl 18-4-0 Catchweight
- Mark Tullius Heavyweight
- Mark Vologdin 12-4-2 Bantamweight
- Mark Weir 17-2-0 Middleweight
- Markus Perez 12-5-0 Middleweight
- Marlon Moraes 23-10-1 Featherweight
- Marlon Vera 23-12-1 Bantamweight
- Marnic Mann 6-3-0 Women's Strawweight
- Marouane Bellagouit Featherweight
- MarQuel Mederos 11-1-1 Lightweight
- Martín Bravo 12-3-0 Featherweight
- Martin Buday 16-2-0 Heavyweight
- Martin Buschkamp 9-0-0 Featherweight
- Martin Day 8-6-0 Featherweight
- Martin Kampmann 20-7-0 Welterweight
- Martin Sano 4-3-0 Welterweight
- Martin Svensson 14-6-0 Lightweight
- Martun Mezhlumyan Lightweight
- Marvin Eastman 15-8-1 Light Heavyweight
- Marvin Vettori 19-10-1 Middleweight
- Marwan Rahiki 9-0-0 Featherweight
- Maryna Moroz 11-6-0 Women's Flyweight
- Masanori Kanehara 25-13-5 Featherweight
- Mashrabjon Ruzibaev 20-4-1 Lightweight
- Masio Fullen 10-6-0 Featherweight
- Mason Jones 18-2-0 Lightweight
- Masutatsu Yano 0-0-0 Light Heavyweight
- Mateus Mendonça 10-3-0 Bantamweight
- Mateusz Gamrot 26-5-0 Lightweight
- Mateusz Pawlik Welterweight
- Mateusz Rębecki 20-5-0 Lightweight
- Matheus Camilo 11-3-0 Lightweight
- Matheus Nicolau 19-6-1 Flyweight
- Mats Nilsson 11-4-1 Welterweight
- Matt Andersen 0-0-0 Middleweight
- Matt Arroyo 3-3-0 Welterweight
- Matt Bessette 22-9-0 Lightweight
- Matt Brown 26-19-0 Welterweight
- Matt Dwyer 8-4-0 Middleweight
- Matt Frevola 11-6-1 Lightweight
- Matt Grice 15-5-0 Featherweight
- Matt Hamill 12-5-0 Light Heavyweight
- Matt Hobar 9-3-0 Bantamweight
- Matt Horwich 0-0-0 Middleweight
- Matt Hughes 46-9-0 Welterweight
- Matt Lindland 15-3-0 Catchweight
- Matt Lucas 14-3-0 Light Heavyweight
- Matt Mitrione 9-5-0 Heavyweight
- Matt Riddle Welterweight
- Matt Sayles 8-4-0 Featherweight
- Matt Schnell 17-11-0 Catchweight
- Matt Serra 17-7-0 Welterweight
- Matt Van Buren 7-4-0 Light Heavyweight
- Matt Veach 11-2-0 Welterweight
- Matt Wiman 16-10-0 Lightweight
- Matthew Lopez 10-5-0 Bantamweight
- Matthew Semelsberger 11-8-0 Welterweight
- Matty Iann Bantamweight
- Matúš Juráček Welterweight
- Maurice Greene 9-7-0 Heavyweight
- Maurice Smith 0-0-0 Heavyweight
- Maurício Rua 27-14-1 Light Heavyweight
- Mauricio Ruffy 14-2-0 Lightweight
- Max Gimenis 6-2-0 Heavyweight
- Max Griffin 20-13-0 Welterweight
- Max Holloway 27-9-0 Welterweight
- Max Rohskopf 0-1-0 Lightweight
- Maxim Grishin Light Heavyweight
- Maximo Blanco 12-8-1 Featherweight
- Maxwell Djantou Nana Heavyweight
- Maycee Barber 15-3-0 Women's Flyweight
- Mayra Bueno Silva 10-7-1 Women's Bantamweight
- Megan Anderson 11-5-0 Women's Featherweight
- Mehdi Baghdad 11-4-0 Welterweight
- Melinda Fábián 4-3-2 Women's Flyweight
- Melissa Croden 8-3-0 Women's Bantamweight
- Melissa Gatto 9-3-2 Women's Flyweight
- Melissa Martinez 8-2-0 Women's Strawweight
- Melissa Mullins 7-3-0 Women's Bantamweight
- Melquizael Costa 26-7-0 Featherweight
- Melsik Baghdasaryan 8-4-0 Featherweight
- Melton Bowen 0-0-0 Weight Class not available
- Melvin Guillard 48-14-3 Welterweight
- Meng Ding Welterweight
- Merab Dvalishvili 21-5-0 Bantamweight
- Michael Aswell 10-3-0 Featherweight
- Michael Bisping 31-9-0 Middleweight
- Michael Chandler 23-11-0 Lightweight
- Michael Chiesa 20-7-0 Welterweight
- Michael Johnson 25-20-0 Lightweight
- Michael Kuiper 12-3-0 Light Heavyweight
- Michael McBride 8-3-0 Lightweight
- Michael McDonald 17-4-0 Bantamweight
- Michael Morales 19-0-0 Welterweight
- Michael Obodozie Welterweight
- Michael Oliveira 1-0-0 Welterweight
- Michael Page 24-3-0 Middleweight
- Michael Trizano 11-3-0 Featherweight
- Michal Figlak 8-2-0 Lightweight
- Michał Materla Middleweight
- Michal Oleksiejczuk 22-10-0 Middleweight
- Micheal Gillmore 6-5-0 Welterweight
- Michel Batista 0-1-0 Heavyweight
- Michel Pereira 32-15-0 Middleweight
- Michel Prazeres 26-4-0 Welterweight
- Michel Quiñones 8-3-0 Featherweight
- Michelle Montague 8-0-0 Women's Bantamweight
- Michihiro Omigawa 13-12-1 Featherweight
- Michinori Tanaka 11-3-0 Bantamweight
- Mick Parkin 10-1-0 Heavyweight
- Mickael Lebout 14-5-1 Lightweight
- Mickey Gall 7-7-0 Welterweight
- Miesha Tate 20-10-0 Women's Bantamweight
- Miguel Baeza 10-4-0 Welterweight
- Miguel Torres Bantamweight
- Mike Breeden 11-6-0 Lightweight
- Mike Brown 26-9-0 Featherweight
- Mike Ciesnolevicz 18-4-1 Heavyweight
- Mike Davis 12-4-0 Lightweight
- Mike De La Torre 14-7-0 Lightweight
- Mike Easton 13-5-0 Bantamweight
- Mike Graves Welterweight
- Mike Grundy 12-4-0 Featherweight
- Mike Guymon 13-5-1 Lightweight
- Mike Jackson 1-2-0 Catchweight
- Mike King 5-1-0 Middleweight
- Mike Kyle 19-9-1 Heavyweight
- Mike Lullo 8-3-0 Featherweight
- Mike Malott 14-2-1 Welterweight
- Mike Massenzio 13-7-0 Middleweight
- Mike Mathetha Welterweight
- Mike Nickels 5-1-0 Heavyweight
- Mike Patt Light Heavyweight
- Mike Perry 14-8-0 Welterweight
- Mike Pierce 17-7-0 Welterweight
- Mike Pyle 27-14-1 Welterweight
- Mike Rhodes 6-4-0 Light Heavyweight
- Mike Ricci 9-4-0 Lightweight
- Mike Rio 9-4-0 Lightweight
- Mike Rodriguez 11-7-0 Heavyweight
- Mike Russow 15-3-0 Heavyweight
- Mike Santiago 21-12-0 Lightweight
- Mike Stumpf 11-4-0 Welterweight
- Mike Swick 15-6-0 Welterweight
- Mike Van Arsdale 10-3-1 Light Heavyweight
- Mike Wessel 6-1-0 Heavyweight
- Mike Whitehead 9-6-0 Heavyweight
- Mike Wilkinson 9-2-0 Lightweight
- Mikey Burnett 0-0-0 Welterweight
- Milana Dudieva 11-5-0 Women's Bantamweight
- Miles Johns 16-5-0 Featherweight
- Miloš Janičić Lightweight
- Milton Vieira 13-8-2 Featherweight
- Ming Shi Strawweight
- Mingyang Zhang Light Heavyweight
- Minoki Ichihara 0-0-0 Heavyweight
- Miranda Granger 7-3-0 Women's Strawweight
- Miranda Maverick 17-6-0 Women's Flyweight
- Mirko Filipović Heavyweight
- Mirsad Bektić 13-4-0 Featherweight
- Misha Cirkunov 15-9-0 Light Heavyweight
- Mitch Clarke 11-5-0 Lightweight
- Mitch Gagnon 12-5-0 Bantamweight
- Mitch Ramirez 8-4-0 Lightweight
- Mitch Raposo 11-3-0 Flyweight
- Mizuki 16-6-0 Women's Strawweight Division
- Mizuto Hirota 19-10-2 Lightweight
- Modestas Bukauskas 20-7-0 Light Heavyweight
- Mohamed Camara Featherweight
- Mohamed Grabinski Welterweight
- Mohammad Yahya 12-6-0 Featherweight
- Mohammed Usman 12-4-0 Heavyweight
- Molly McCann 14-8-0 Women's Strawweight
- Montana De La Rosa 13-9-1 Women's Flyweight
- Montel Jackson 15-4-0 Bantamweight
- Montse Rendon 7-2-0 Women's Bantamweight
- Montserrat Ruiz Strawweight
- Morgan Charrière 21-12-1 Featherweight
- Mostapha Al Turk 6-6-0 Heavyweight
- Moti Horenstein 0-0-0 Heavyweight
- Motonobu Tezuka 19-6-4 Bantamweight
- Mounir Lazzez 11-3-0 Welterweight
- Movsar Evloev 20-0-0 Featherweight
- Muhammad Mokaev 13-0-0 Flyweight
- Muhammad Naimov 13-4-0 Featherweight
- Muhammad Saidov Light Heavyweight
- Muhammadkabir Nazarzoda Flyweight
- Muhidin Abubakar Flyweight
- Muin Gafurov 20-7-0 Bantamweight
- Mukhammadamin Shamolov Bantamweight
- Murilo Bustamante 11-1-1 Middleweight
- Murtazali Magomedov 11-0-0 Featherweight
- Muslim Salikhov 22-6-0 Welterweight
- Myktybek Orolbai 16-2-1 Welterweight
- Myles Jury 17-4-0 Lightweight
N
- Na Liang Flyweight
- Nad Narimani 12-4-0 Catchweight
- Nadia Kassem 5-2-0 Women's Flyweight
- Nah-shon Burrell 9-3-0 Middleweight
- Nam Phan 18-14-0 Lightweight
- Namsrai Batbayar 9-1-0 Flyweight
- Nandor Guelmino 11-5-1 Heavyweight
- Naoki Inoue 11-0-0 Bantamweight
- Naoyuki Kotani 33-13-7 Lightweight
- Nasrat Haqparast 18-6-0 Lightweight
- Nassourdine Imavov 17-4-0 Middleweight
- Natália Silva 20-5-1 Women's Flyweight
- Natan Levy 8-2-0 Catchweight
- Nate Diaz 22-13-0 Welterweight
- Nate Landwehr 18-8-0 Featherweight
- Nate Loughran 0-0-0 Welterweight
- Nate Maness 16-3-0 Bantamweight
- Nate Marquardt 38-19-2 Middleweight
- Nate Mohr 8-6-0 Lightweight
- Nate Quarry 18-4-0 Middleweight
- Nate Schroeder 0-0-0 Heavyweight
- Nathan Coy 15-7-0 Welterweight
- Nathan Fletcher 9-3-0 Bantamweight
- Nathaniel Wood 23-6-0 Featherweight
- Navajo Stirling 10-0-0 Light Heavyweight
- Nazareno Malegarie 28-5-0 Featherweight
- Nazim Sadykhov 11-3-1 Lightweight
- Neil Grove 7-2-0 Heavyweight
- Neil Magny 31-15-0 Welterweight
- Neil Seery 16-13-0 Flyweight
- Neil Wain 5-1-0 Heavyweight
- Nghiem Van Y Bantamweight
- Nicco Montaño 5-3-0 Women's Bantamweight
- Nick Agallar 12-3-0 Featherweight
- Nick Aguirre 7-2-0 Featherweight
- Nick Catone 10-4-0 Middleweight
- Nick Denis 11-3-0 Bantamweight
- Nick Diaz 26-11-0 Welterweight
- Nick Fiore 6-2-0 Lightweight
- Nick Hein 14-5-0 Lightweight
- Nick Klein 6-3-0 Middleweight
- Nick Maximov 8-2-0 Middleweight
- Nick Osipczak 5-4-0 Welterweight
- Nick Pace 6-3-0 Bantamweight
- Nick Penner 12-3-0 Light Heavyweight
- Nick Ring 13-3-0 Middleweight
- Nick Roehrick 7-1-0 Light Heavyweight
- Nick Sanzo 0-0-0 Lightweight
- Nick Serra 0-0-0 Welterweight
- Nick Thompson 23-9-0 Welterweight
- Nico Musoke Middleweight
- Nicolae Negumereanu 13-2-0 Light Heavyweight
- Nicolas Dalby 24-6-1 Welterweight
- Nicolle Caliari 9-4-0 Women's Strawweight
- Nik Lentz 30-12-2 Catchweight
- Nikita Krylov 31-12-0 Light Heavyweight
- Niklas Bäckström 8-2-0 Lightweight
- Niklas Stolze 0-3-0 Welterweight
- Niko Price 16-11-0 Welterweight
- Nikolas Motta 15-6-0 Lightweight
- Nikolay Veretennikov 14-7-0 Welterweight
- Nina Milošević Bantamweight
- Nina Nunes 11-7-0 Women's Flyweight
- Nissen Osterneck 5-2-0 Middleweight
- Niushiyue Ji 2-2-0 Flyweight
- Nkosi Ndebele Bantamweight
- Noad Lahat 9-2-0 Featherweight
- Noah Gugnon Lightweight
- Nobuhiko Takada 0-0-0 Heavyweight
- Noe Hernandez 0-0-0 Light Heavyweight
- Nohelin Hernandez 10-4-0 Featherweight
- Nolan Ticman 4-3-0 Flyweight
- Nora Cornolle 9-4-0 Women's Bantamweight
- Nordine Taleb 15-7-0 Middleweight
- Norifumi Yamamoto 18-6-0 Bantamweight
- Norma Dumont 13-3-0 Women's Bantamweight
- Norman Parke 22-5-1 Heavyweight
- Nursulton Ruziboev 37-9-2 Middleweight
- Nurullo Aliev 12-0-0 Lightweight
- Nyamjargal Tumendemberel 10-1-0 Flyweight
O
- Oban Elliott 12-4-0 Welterweight
- Ode Osbourne 13-9-0 Flyweight
- Oleg Taktarov 0-0-0 Heavyweight
- Oleksandr Doskalchuk 10-2-0 Flyweight
- Oli Thompson 9-4-0 Heavyweight
- Oliver Enkamp 7-1-0 Welterweight
- Olivier Aubin-Mercier 12-5-0 Lightweight
- Ollie Schmid 4-3-0 Featherweight
- Olutobi Ayodeji Kalejaiye Heavyweight
- Oluwale Bamgbose 6-4-0 Middleweight
- Omar El Bily Bantamweight
- Omar Morales 11-4-0 Welterweight
- Omari Akhmedov 21-6-1 Catchweight
- Onassis Parungao 0-0-0 Heavyweight
- Orion Cosce 8-2-0 Welterweight
- Orlando Wiet Welterweight
- Oskar Piechota 11-3-1 Middleweight
- Otari Tanzilovi 10-2-0 Featherweight
- Otgonbaatar Boldbaatar Flyweight
- Ottman Azaitar 13-3-0 Lightweight
- Oumar Sy 12-2-0 Light Heavyweight
- Ovince St. Preux Light Heavyweight
- Ozzy Diaz 10-3-0 Middleweight
P
- Pablo Garza 13-4-0 Featherweight
- Paddy Holohan 12-2-1 Flyweight
- Paddy Pimblett 24-4-0 Lightweight
- Paige VanZant 8-5-0 Women's Flyweight
- Pannie Kianzad 17-9-0 Women's Bantamweight
- Papy Abedi 9-3-0 Middleweight
- Parker Porter 14-9-0 Heavyweight
- Pascal Krauss 11-2-0 Welterweight
- Pat Audinwood 9-2-1 Lightweight
- Pat Barry 8-7-0 Heavyweight
- Pat Healy 31-19-0 Lightweight
- Pat Miletich 27-5-2 Catchweight
- Pat Sabatini 22-5-0 Featherweight
- Pat Schilling 5-2-0 Featherweight
- Pat Walsh Heavyweight
- Patchy Mix 20-3-0 Bantamweight
- Patricio Pitbull 37-8-0 Featherweight
- Patrick Cote 24-11-0 Welterweight
- Patrick Cummins 10-7-0 Light Heavyweight
- Patrick Ocheme Catchweight
- Patrick Smith 4-2-0 Heavyweight
- Patrick Vespaziani Heavyweight
- Patrick Williams 8-7-0 Bantamweight
- Paul Bradley 0-0-0 Welterweight
- Paul Buentello 25-12-0 Heavyweight
- Paul Craig 17-10-1 Light Heavyweight
- Paul Creighton 5-1-0 Lightweight
- Paul Daley 29-12-2 Catchweight
- Paul Felder 17-6-0 Lightweight
- Paul Georgieff 7-2-0 Welterweight
- Paul Herrera 0-0-0 Weight Class not available
- Paul Jones 0-0-0 Light Heavyweight
- Paul Kelly 12-4-0 Welterweight
- Paul Redmond 10-5-0 Lightweight
- Paul Rodriguez 0-0-0 Catchweight
- Paul Sass 13-2-0 Lightweight
- Paul Taylor 11-6-1 Lightweight
- Paul Varelans 0-0-0 Heavyweight
- Paulo Costa 16-4-0 Light Heavyweight
- Paulo Santos 0-0-0 Lightweight
- Paulo Thiago 15-8-0 Middleweight
- Pavel Andrusca Featherweight
- Pavel Vitruk Bantamweight
- Paweł Pawlak 11-2-0 Middleweight
- Payton Talbott 11-1-0 Bantamweight
- Pearl Gonzalez 6-2-0 Women's Strawweight
- Pedro Falcão 16-5-0 Bantamweight
- Pedro Munhoz 20-10-0 Bantamweight
- Pedro Nobre 14-1-2 Catchweight
- Pedro Rizzo 13-5-0 Heavyweight
- Peggy Morgan 2-1-0 Women's Bantamweight
- Per Eklund 15-4-1 Lightweight
- Pete Rodriguez 5-2-0 Welterweight
- Pete Sell 8-6-0 Welterweight
- Pete Spratt 16-8-0 Welterweight
- Pete Williams 8-5-0 Heavyweight
- Peter Barrett 11-5-0 Lightweight
- Peter Sobotta 17-6-1 Welterweight
- Petr Yan 20-5-0 Bantamweight
- Phil Baroni 13-13-0 Catchweight
- Phil Davis 13-3-0 Light Heavyweight
- Phil De Fries Heavyweight
- Phil Harris 22-12-0 Flyweight
- Phil Hawes 12-6-0 Light Heavyweight
- Phil Johns 0-0-0 Lightweight
- Phil Rowe 11-7-0 Middleweight
- Philipe Lins 18-5-0 Light Heavyweight
- Phillip Miller 15-0-0 Middleweight
- Phillipe Nover 12-8-1 Featherweight
- Piera Rodriguez 12-2-0 Women's Strawweight
- Pietro Menga 13-0-0 Flyweight
- Pingyuan Liu 13-7-0 Bantamweight
- Piotr Hallmann 15-4-0 Light Heavyweight
- Poliana Botelho 8-5-0 Women's Flyweight
- Polyana Viana 13-9-0 Women's Strawweight
- Preston Parsons 11-6-0 Welterweight
- Priscila Cachoeira 13-9-0 Women's Bantamweight
- Przemysław Mysiala Light Heavyweight
- Puja Tomar 9-5-0 Women's Strawweight
- Punahele Soriano 13-4-0 Welterweight
Q
- Quang Le 9-3-0 Bantamweight
- Quillan Salkilld 13-1-0 Lightweight
- Quinn Mulhern 18-4-0 Lightweight
- Quinton Jackson Heavyweight
R
- Rabindra Dhant Bantamweight
- Rachael Ostovich 4-6-0 Women's Flyweight
- Rafa García 19-4-0 Lightweight
- Rafael Alves 20-12-0 Welterweight
- Rafael Carino 0-0-0 Heavyweight
- Rafael Cavalcante 12-7-0 Light Heavyweight
- Rafael Cerqueira 11-4-0 Light Heavyweight
- Rafael dos Anjos 32-17-0 Welterweight
- Rafael Estevam 14-1-0 Bantamweight
- Rafael Fiziev 14-5-0 Lightweight
- Rafael Natal 21-9-1 Middleweight
- Rafael Tobias 14-2-0 Light Heavyweight
- Rafaello Oliveira 15-7-0 Featherweight
- Rafał Haratyk Light Heavyweight
- Rafiq Afridi Bantamweight
- Rainy Martinez 0-0-0 Heavyweight
- Ramazan Emeev 20-6-0 Middleweight
- Ramazan Kuramagomedov 1-0-0 Welterweight
- Ramazan Ragimov Featherweight
- Ramazan Temirov 20-3-0 Flyweight
- Rameau Thierry Sokoudjou Heavyweight
- Ramiro Hernandez Featherweight
- Ramiz Brahimaj 13-6-0 Welterweight
- Ramon Taveras 10-4-0 Featherweight
- Ramona Pascual 6-5-0 Women's Bantamweight
- Ramsey Nijem 10-5-0 Welterweight
- Rana Singh Lightweight
- Randa Markos 11-12-1 Women's Strawweight
- Randy Brown 20-8-0 Welterweight
- Randy Costa 6-4-0 Catchweight
- Randy Couture 19-11-0 Light Heavyweight
- Rani Yahya 28-12-1 Bantamweight
- Raoni Barcelos 22-5-0 Bantamweight
- Raphael Assunção 28-10-0 Bantamweight
- Raphael Pessoa Nunes 10-2-0 Heavyweight
- Raquel Pennington 16-10-0 Women's Bantamweight
- Rashad Coulter 9-4-0 Heavyweight
- Rashad Evans 24-8-1 Heavyweight
- Rashid Magomedov 20-2-0 Catchweight
- Rasim Mirzaev Bantamweight
- Raul Rosas Jr. 13-1-0 Bantamweight
- Raulian Paiva 21-5-0 Featherweight
- Ravena Oliveira 7-4-1 Women's Strawweight
- Ray Borg 13-5-0 Flyweight
- Ray Rodriguez 16-8-0 Bantamweight
- Ray Wizard 0-0-0 Weight Class not available
- Rayanne dos Santos 14-9-0 Women's Strawweight
- Razak Al-Hassan 7-2-0 Heavyweight
- Rebin Fazil Featherweight
- Reese Andy 7-3-0 Light Heavyweight
- Regezhen Featherweight
- Regina Tarin 8-0-0 Women's Flyweight
- Reginaldo Vieira 14-5-0 Bantamweight
- Rei Tsuruya 11-1-0 Flyweight
- Reinier de Ridder 21-4-0 Light Heavyweight
- Remco Pardoel 0-0-0 Heavyweight
- Ren Yawei Catchweight
- Renan Barão 36-9-0 Lightweight
- Renato Moicano 21-7-1 Lightweight
- Renato Sobral 27-7-0 Light Heavyweight
- Renato Verissimo 5-2-0 Catchweight
- Rene Pessoa Light Heavyweight
- Renee Forte Lightweight
- Renzo Gracie 13-7-1 Middleweight
- Reuben Duran 8-5-1 Flyweight
- Rex Holman 4-2-0 Light Heavyweight
- Reza Madadi 14-6-0 Lightweight
- Reza Nasri Weight Class not available
- Rhys McKee 14-7-1 Catchweight
- Ricardo Abreu 5-1-0 Middleweight
- Ricardo Almeida 13-4-0 Welterweight
- Ricardo Funch 8-4-0 Welterweight
- Ricardo Lamas 20-8-0 Featherweight
- Ricardo Ramos 17-8-0 Featherweight
- Ricardo Romero 11-3-0 Light Heavyweight
- Ricco Rodriguez 10-4-0 Heavyweight
- Rich Attonito 10-5-0 Welterweight
- Rich Clementi 40-14-1 Lightweight
- Rich Franklin 29-7-0 Middleweight
- Richard Crunkilton Lightweight
- Richard Odoms 8-1-0 Heavyweight
- Richard Walsh Welterweight
- Richardson Moreira 7-4-0 Light Heavyweight
- Richie Hightower 7-2-0 Lightweight
- Richie Miranda Lightweight
- Richie Smullen 3-1-1 Lightweight
- Richie Vaculik 10-5-0 Bantamweight
- Rick Davis 3-1-1 Lightweight
- Rick Story 19-9-0 Welterweight
- Ricky Glenn 22-9-2 Welterweight
- Ricky Rainey 13-6-0 Catchweight
- Ricky Simón 22-7-1 Bantamweight
- Ricky Turcios 13-5-0 Featherweight
- Riki Fukuda 19-7-0 Middleweight
- Rin Nakai 16-2-1 Women's Bantamweight
- Rinat Fakhretdinov 24-1-1 Welterweight
- Rinya Nakamura 10-1-0 Bantamweight
- Rizvan Kuniev 14-3-1 Heavyweight
- Rizwan Ali Lightweight
- RJ Harris Heavyweight
- Roan Carneiro 21-11-0 Welterweight
- Rob Broughton 15-7-1 Heavyweight
- Rob Emerson 11-9-0 Bantamweight
- Rob Font 22-10-0 Bantamweight
- Rob Kimmons 23-7-0 Catchweight
- Rob MacDonald 4-3-0 Heavyweight
- Rob Wilkinson 11-2-0 Light Heavyweight
- Rob Yundt 7-2-0 Welterweight
- Robbie Lawler 30-16-0 Welterweight
- Robbie Peralta Featherweight
- Robelis Despaigne 5-2-0 Heavyweight
- Robert Bryczek 18-7-0 Middleweight
- Robert Drysdale 7-0-0 Light Heavyweight
- Robert Lucarelli 0-0-0 Weight Class not available
- Robert Ruchala 11-3-0 Featherweight
- Robert Valentin 12-6-0 Middleweight
- Robert Whiteford Catchweight
- Robert Whittaker 28-9-0 Light Heavyweight
- Roberto Romero 8-5-1 Featherweight
- Roberto Sanchez 8-2-0 Flyweight
- Roberto Traven 4-1-0 Middleweight
- Rocky Lee 3-1-0 Featherweight
- Rodney Wallace 9-2-0 Heavyweight
- Rodolfo Bellato 13-3-1 Light Heavyweight
- Rodolfo Rubio Bantamweight
- Rodolfo Vieira 11-5-0 Middleweight
- Rodrigo Damm 12-9-0 Lightweight
- Rodrigo de Lima 8-3-1 Welterweight
- Rodrigo Nascimento 11-3-0 Heavyweight
- Rodrigo Ruas 0-0-0 Welterweight
- Rodrigo Sezinando 9-2-0 Welterweight
- Rodrigo Vera 22-1-1 Featherweight
- Roger Bowling 11-5-0 Welterweight
- Roger Gracie 6-2-0 Light Heavyweight
- Roger Hollett 13-5-0 Light Heavyweight
- Roger Huerta 22-3-1 Catchweight
- Roger Narvaez 7-2-0 Light Heavyweight
- Roger Zapata 4-3-0 Welterweight
- Rogério Bontorin 17-4-0 Bantamweight
- Roland Delorme 9-4-0 Bantamweight
- Roland Payne 0-0-0 Weight Class not available
- Rolando Bedoya 14-5-0 Lightweight
- Rolando Dy 9-6-1 Catchweight
- Roldan Sangcha-an Bantamweight
- Roli Delgado Featherweight
- Rolles Gracie 3-1-0 Heavyweight
- Roman Bogatov 10-1-0 Featherweight
- Roman Dolidze 15-5-0 Light Heavyweight
- Roman Kopylov 15-5-0 Middleweight
- Roman Mitichyan 9-2-0 Welterweight
- Roman Salazar 9-4-0 Featherweight
- Romie Aram 6-0-0 Lightweight
- Ron Faircloth 0-0-0 Heavyweight
- Ron Van Clief 0-0-0 Weight Class not available
- Ron Waterman 16-6-0 Heavyweight
- Ronald Jhun 26-12-2 Middleweight
- Ronald Paradeiser Welterweight
- Ronald Stallings Middleweight
- Ronaldo Rodriguez Flyweight
- Ronaldo Souza 26-10-0 Middleweight
- Ronda Rousey 12-2-0 Women's Bantamweight
- Rongzhu 27-6-0 Catchweight
- Ronnie Lawrence 8-2-0 Bantamweight
- Ronny Markes 14-3-0 Heavyweight
- Rony Jason 15-7-0 Featherweight
- Ronys Torres 18-3-0 Middleweight
- Roosevelt Roberts 12-6-0 Lightweight
- Roque Martinez 15-8-2 Middleweight
- Rory MacDonald 18-4-0 Welterweight
- Rory Markham 16-6-0 Middleweight
- Rory Singer 12-7-0 Middleweight
- Rose Namajunas 15-8-0 Women's Flyweight
- Rosi Sexton 13-4-0 Women's Bantamweight
- Ross Pearson 22-16-0 Welterweight
- Ross Pointon 4-9-0 Light Heavyweight
- Rostem Akman Welterweight
- Rousimar Palhares 24-5-0 Middleweight
- Roxanne Modafferi 25-21-0 Women's Flyweight
- Roy Nelson 23-14-0 Heavyweight
- Royce Alger 0-0-0 Middleweight
- Royce Gracie 13-2-2 Openweight
- Royston Wee 4-1-0 Featherweight
- Ruan Potts 8-4-0 Heavyweight
- Rudyard Moncayo 0-0-0 Middleweight
- Ruslan Magomedov 14-1-0 Heavyweight
- Russell Doane 15-8-0 Featherweight
- Rustam Khabilov 24-4-0 Welterweight
- Ryan Bader 22-5-0 Heavyweight
- Ryan Benoit 10-8-0 Flyweight
- Ryan Bow Lightweight
- Ryan Couture 6-3-0 Welterweight
- Ryan Gandra 10-1-0 Middleweight
- Ryan Hall 9-2-0 Lightweight
- Ryan Janes 10-3-0 Middleweight
- Ryan Jensen 16-7-0 Catchweight
- Ryan Jimmo 19-5-0 Light Heavyweight
- Ryan Kuse Featherweight
- Ryan LaFlare 13-3-0 Welterweight
- Ryan Loder 8-3-0 Middleweight
- Ryan MacDonald 10-2-0 Catchweight
- Ryan Madigan 5-1-0 Welterweight
- Ryan McGillivray Welterweight
- Ryan Parker 0-0-0 Weight Class not available
- Ryan Roberts 14-3-0 Featherweight
- Ryan Spann 24-11-0 Heavyweight
- Ryan Thomas 13-3-0 Middleweight
- Ryo Chonan 15-10-0 Welterweight
- Ryo Tajima Bantamweight
- Ryoga Arimoto Flyweight
- Ryuho Miyaguchi Catchweight
S
- Sabah Homasi 11-8-0 Welterweight
- Sabina Mazo 9-4-0 Women's Flyweight
- Saeed Hosseini 0-0-0 Lightweight
- Sage Northcutt 11-2-0 Welterweight
- Sai Wang Middleweight
- Said Nurmagomedov 18-5-0 Bantamweight
- Saidyokub Kakhramonov 10-3-0 Bantamweight
- Saimon Oliveira 18-7-0 Catchweight
- Sako Chivitchian 5-1-0 Lightweight
- Salim Touahri 10-4-0 Welterweight
- Sam Adkins 0-0-0 Heavyweight
- Sam Alvey 33-18-1 Heavyweight
- Sam Fulton 0-0-0 Heavyweight
- Sam Hoger 6-3-0 Heavyweight
- Sam Hughes 11-7-0 Women's Strawweight
- Sam Morgan Catchweight
- Sam Patterson 15-3-1 Welterweight
- Sam Sicilia 15-8-0 Lightweight
- Sam Stout 21-12-1 Lightweight
- Samantha Jean-Francois Women's Strawweight
- Samuel Chavarría Light Heavyweight
- Samuel Sanches 1-0-0 Lightweight
- Samy Schiavo 10-6-0 Lightweight
- Sanae Kikuta Welterweight
- Sangwook Kim 3-1-0 Lightweight
- Santiago Luna 8-1-0 Bantamweight
- Santiago Ponzinibbio 31-10-0 Welterweight
- Saparbeg Safarov 9-3-0 Heavyweight
- Sara McMann 13-6-0 Women's Bantamweight
- Sarah Alpar 9-6-0 Women's Flyweight
- Sarah Frota 9-2-0 Women's Flyweight
- Sarah Kaufman 17-4-0 Women's Bantamweight
- Sarah Moras 6-8-0 Women's Bantamweight
- Sasha Palatnikov 6-4-0 Middleweight
- Satoshi Honma 0-0-0 Heavyweight
- Saygid Izagakhmaev 22-3-0 Welterweight
- Scott Adams 6-0-0 Heavyweight
- Scott Askham 14-4-0 Middleweight
- Scott Baker 0-0-0 Weight Class not available
- Scott Bessac 0-0-0 Heavyweight
- Scott Ferrozzo 0-0-0 Heavyweight
- Scott Fiedler Weight Class not available
- Scott Holtzman 14-6-0 Lightweight
- Scott Jorgensen 15-12-0 Bantamweight
- Scott Junk 6-2-0 Heavyweight
- Scott Morris 0-0-0 Welterweight
- Scott Smith 0-0-0 Welterweight
- Sean Alvarez 4-3-0 Heavyweight
- Sean Brady 19-2-0 Welterweight
- Sean Daugherty Light Heavyweight
- Sean Gannon 1-1-0 Heavyweight
- Sean Loeffler 25-5-0 Middleweight
- Sean McCorkle 10-2-0 Super Heavyweight
- Sean O'Connell Light Heavyweight
- Sean O'Malley 20-3-0 Bantamweight
- Sean Pierson 14-6-0 Welterweight
- Sean Salmon 9-3-0 Heavyweight
- Sean Santella 0-0-0 Flyweight
- Sean Sharaf 4-2-0 Heavyweight
- Sean Sherk 38-4-1 Lightweight
- Sean Soriano 14-8-0 Lightweight
- Sean Spencer 12-6-0 Welterweight
- Sean Strickland 31-7-0 Middleweight
- Sean Woodson 13-2-1 Featherweight
- Sebastian Szalay 10-1-0 Featherweight
- Sedriques Dumas 10-5-0 Middleweight
- Semmy Schilt 26-9-1 Heavyweight
- Seo Hee Ham Women's Strawweight
- Seokhyeon Ko 13-3-0 Welterweight
- Sergei Pavlovich 21-3-0 Heavyweight
- Sergey Khandozhko 28-6-1 Welterweight
- Sergey Morozov 19-5-0 Bantamweight
- Serghei Spivac 18-6-0 Heavyweight
- Sergio Giglio Featherweight
- Sérgio Moraes 14-7-1 Middleweight
- Sergio Pettis 18-5-0 Bantamweight
- Serhiy Sidey 12-2-0 Bantamweight
- Seth Baczynski 18-11-0 Catchweight
- Seth Petruzelli 14-7-0 Light Heavyweight
- SeungGuk Choi 7-3-0 Flyweight
- Seungwoo Choi 11-8-0 Featherweight
- Shamar Bailey 12-5-0 Welterweight
- Shamil Abdurakhimov 20-8-0 Heavyweight
- Shamil Basaev Featherweight
- Shamil Boraev Featherweight
- Shamil Gamzatov 14-1-0 Light Heavyweight
- Shamil Gaziev 14-3-0 Heavyweight
- Shana Dobson 4-5-0 Women's Flyweight
- Shane Burgos 15-3-0 Lightweight
- Shane Campbell 12-6-0 Lightweight
- Shane Carwin 12-2-0 Openweight
- Shane Collins 8-0-0 Featherweight
- Shane Del Rosario 11-2-0 Heavyweight
- Shane Howell 13-9-0 Bantamweight
- Shane Nelson 13-5-0 Welterweight
- Shane Primm 1-1-0 Middleweight
- Shane Roller 11-7-0 Lightweight
- Shane Young 13-8-0 Featherweight
- Shanelle Dyer 7-1-0 Women's Strawweight
- Shanna Young 9-6-0 Women's Flyweight
- Shannon Gugerty 12-6-0 Featherweight
- Shannon Ross 13-9-0 Flyweight
- Shaqueme Rock Lightweight
- Shara Magomedov 17-1-0 Middleweight
- Shauna Bannon 7-3-0 Women's Strawweight
- Shavkat Rakhmonov 19-0-0 Welterweight
- Shawn Jordan 18-7-0 Heavyweight
- Shayilan Nuerdanbieke 39-12-0 Featherweight
- Shayna Baszler 15-10-0 Women's Bantamweight
- Sheila Gaff 10-6-1 Women's Bantamweight
- Shelby Walker Flyweight
- Sheldon Westcott 10-3-1 Welterweight
- Sherman Pendergarst 8-3-0 Heavyweight
- Sheymon Moraes 11-4-0 Lightweight
- Shido Boris Esperança Welterweight
- Shin Haraguchi 3-2-0 Featherweight
- Shinsho Anzai 10-2-0 Welterweight
- Shonie Carter 66-14-7 Heavyweight
- Shunichi Shimizu 28-9-10 Catchweight
- Sijara Eubanks 8-7-0 Women's Flyweight
- Silvana Gomez Juarez 7-5-0 Women's Strawweight Division
- Sim Kai Xiong 1-2-0 Bantamweight
- Simbarashe Hokonya Bantamweight
- Simeon Thoresen 17-4-1 Welterweight
- Simon Biyong 0-0-0 Heavyweight
- Sione Latu 0-0-0 Heavyweight
- Sirwan Kakai 12-3-0 Bantamweight
- Siyar Bahadurzada 24-8-1 Welterweight
- Slim Trabelsi 0-0-0 Heavyweight
- So Yul Kim 0-0-0 Flyweight
- Soa Palelei 22-5-0 Heavyweight
- Sodiq Yusuff 13-5-0 Lightweight
- Sofia Montenegro 0-1-0 Women's Flyweight
- Solomon Hutcherson 10-2-0 Middleweight
- Spencer Fisher 25-9-0 Lightweight
- Spike Carlyle 9-3-0 Welterweight
- Stan Dorsainvil Lightweight
- Stanislav Nedkov 12-2-0 Light Heavyweight
- Stefan Sekulić 12-4-0 Welterweight
- Stefan Struve 33-13-0 Heavyweight
- Štefan Vojčák Heavyweight
- Stephan Bonnar 17-8-0 Light Heavyweight
- Stephanie Egger 8-5-0 Women's Bantamweight
- Stephanie Luciano 7-2-1 Women's Strawweight
- Stephen Bass 10-1-0 Featherweight
- Stephen Thompson 17-9-1 Welterweight
- Steve Berger 15-6-3 Welterweight
- Steve Bossé 12-2-0 Heavyweight
- Steve Bruno 13-5-0 Catchweight
- Steve Byrnes 6-1-0 Middleweight
- Steve Cantwell 7-6-0 Middleweight
- Steve Erceg 14-5-0 Flyweight
- Steve Garcia 19-6-0 Featherweight
- Steve Jennum 0-0-0 Heavyweight
- Steve Judson 0-0-0 Heavyweight
- Steve Lopez 12-3-0 Lightweight
- Steve Montgomery 8-4-0 Middleweight
- Steve Nelmark 0-0-0 Weight Class not available
- Steve Steinbeiss 4-4-0 Middleweight
- Steve Vigneault 11-6-0 Middleweight
- Steven Asplund 8-2-0 Heavyweight
- Steven Graham Heavyweight
- Steven Kennedy Middleweight
- Steven Koslow 6-1-0 Bantamweight
- Steven Krt Middleweight
- Steven Lynch Welterweight
- Steven Nguyen 10-2-0 Featherweight
- Steven Peterson 19-11-0 Featherweight
- Steven Siler 23-13-0 Catchweight
- Stevie Ray 23-9-0 Welterweight
- Stewart Nicoll 8-4-0 Flyweight
- Stipe Miocic 20-5-0 Heavyweight
- Sulangrangbo 10-3-0 Bantamweight
- Sultan Aliev 15-3-0 Welterweight
- Suman Mokhtarian 8-2-0 Featherweight
- Sumudaerji 18-7-0 Flyweight
- Sundet Aytkul Featherweight
- Sung Bin Jo 9-1-0 Featherweight
- SuYoung You 16-4-0 Bantamweight
- Syuri Kondo 6-3-0 Women's Strawweight
- Szymon Karolczyk Middleweight
T
- Tabatha Ricci 12-5-0 Women's Strawweight
- Tae Hyun Bang 18-10-0 Middleweight
- Tafon Nchukwi 6-4-0 Heavyweight
- Tagir Machmudov Welterweight
- Tagir Ulanbekov 17-3-0 Flyweight
- Tahir Abdullayev 20-3-0 Welterweight
- Tai Bowden 0-0-0 Weight Class not available
- Tai Tuivasa 15-10-0 Heavyweight
- Taila Santos 19-3-0 Women's Flyweight
- Tainara Lisboa 7-4-0 Women's Bantamweight
- Taishi Horie Featherweight
- Taiyilake Nueraji Welterweight
- Takanori Gomi 35-14-0 Lightweight
- Takashi Sato 16-8-0 Welterweight
- Takaya Suzuki Flyweight
- Takenori Sato 17-10-7 Welterweight
- Takeru Uchida 1-0-0 Flyweight
- Takeya Mizugaki 21-11-2 Bantamweight
- Talita Alencar 8-1-1 Women's Strawweight
- Talita Bernardo 6-4-0 Women's Bantamweight
- Tallison Teixeira 9-2-0 Heavyweight
- Tamdan McCrory 14-5-0 Middleweight
- Tamerlan Dulatov Catchweight
- Tamires Vidal 7-4-0 Women's Bantamweight
- Tanner Boser 22-11-1 Heavyweight
- Tarec Saffiedine 16-7-0 Welterweight
- Tateki Matsuda 10-7-0 Bantamweight
- Tatiana Suarez 13-1-0 Women's Strawweight
- Tatsuro Taira 18-2-0 Flyweight
- Tatsuya Kawajiri 35-10-2 Lightweight
- Taylor Lapilus 21-4-0 Bantamweight
- Te Edwards 6-3-0 Lightweight
- Tecia Pennington 15-8-0 Women's Strawweight
- Tedd Williams 0-0-0 Heavyweight
- Teemu Packalén 8-3-0 Lightweight
- Teila Tuli 0-1-0 Weight Class not available
- Teo Saldana Smith Featherweight
- Tereza Bledá 7-1-0 Women's Flyweight Division
- Terrance Chatman Heavyweight
- Terrance McKinney 18-9-0 Lightweight
- Terrance Saeteurn 8-2-0 Flyweight
- Terrence Mitchell 15-4-0 Bantamweight
- Terrion Ware 17-8-0 Bantamweight
- Terry Etim 15-5-0 Lightweight
- Terry Martin 18-4-0 Middleweight
- Teruto Ishihara 11-6-2 Bantamweight
- Thaddeus Luster 0-0-0 Weight Class not available
- Thales Leites 27-9-0 Middleweight
- Themba Gorimbo 14-6-0 Welterweight
- Theodor Berggren 8-4-0 Welterweight
- Thiago Alves 28-15-0 Welterweight
- Thiago Moisés 19-10-0 Lightweight
- Thiago Perpétuo 9-4-1 Light Heavyweight
- Thiago Santos 22-11-0 Heavyweight
- Thiago Silva 16-3-0 Light Heavyweight
- Thiago Tavares 24-7-1 Featherweight
- Thibault Gouti 12-5-0 Lightweight
- Thomas Almeida 22-5-0 Featherweight
- Thomas Gifford 17-9-0 Welterweight
- Thomas Petersen 11-5-0 Heavyweight
- Thomas Ramirez 0-0-0 Weight Class not available
- Thomas Speer Welterweight
- Tiago Trator Lightweight
- Tiequan Zhang Lightweight
- Tiki Ghosn 8-5-0 Welterweight
- Tim Boetsch 21-13-0 Middleweight
- Tim Credeur 13-6-0 Middleweight
- Tim Elliott 22-14-1 Flyweight
- Tim Gorman 9-4-0 Bantamweight
- Tim Hague 12-5-0 Heavyweight
- Tim Kennedy 18-6-0 Middleweight
- Tim Lajcik 11-4-1 Heavyweight
- Tim McKenzie 12-6-0 Catchweight
- Tim Means 33-17-1 Welterweight
- Tim Sylvia 26-4-0 Super Heavyweight
- Tim Williams 15-5-0 Middleweight
- Timmy Cuamba 10-4-0 Bantamweight
- Timo Feucht 0-0-0 Heavyweight
- Timothy Johnson 12-4-0 Heavyweight
- Timur Valiev 18-3-0 Bantamweight
- Tina Lähdemäki 5-1-0 Women's Strawweight
- Tito Ortiz 0-0-0 Catchweight
- TJ Brown 17-11-0 Lightweight
- TJ Dillashaw 18-5-0 Bantamweight
- TJ Grant 21-5-0 Lightweight
- TJ Laramie 12-5-0 Featherweight
- Tj Obrien Featherweight
- TJ Waldburger 16-9-0 Welterweight
- Tobiasz Le Bantamweight
- Todd Brown 15-3-0 Catchweight
- Todd Butler 0-0-0 Heavyweight
- Todd Duffee 9-3-0 Heavyweight
- Todd Medina 0-0-0 Light Heavyweight
- Tofiq Musayev 23-6-0 Lightweight
- Tom Aspinall 15-3-0 Heavyweight
- Tom Blackledge 10-7-0 Light Heavyweight
- Tom Breese 12-3-0 Light Heavyweight
- Tom DeBlass 7-2-0 Heavyweight
- Tom Duquesnoy 15-2-0 Bantamweight
- Tom Egan 4-1-0 Middleweight
- Tom Gallicchio 19-11-0 Welterweight
- Tom Lawlor 10-6-0 Light Heavyweight
- Tom Murphy 5-1-0 Heavyweight
- Tom Niinimaki 21-8-1 Featherweight
- Tom Nolan 11-1-0 Lightweight
- Tom Watson 17-9-0 Welterweight
- Tomasz Drwal 17-4-0 Middleweight
- Tommy Gantt 12-0-0 Lightweight
- Tommy Hayden 8-2-0 Lightweight
- Tommy McMillen 11-0-0 Featherweight
- Tony Christodoulou Lightweight
- Tony DeSouza 10-4-0 Welterweight
- Tony Ferguson 26-11-0 Welterweight
- Tony Fryklund Lightweight
- Tony Gravely 23-9-0 Bantamweight
- Tony Halme 0-0-0 Heavyweight
- Tony Johnson Jr. Heavyweight
- Tony Kelley 8-3-0 Bantamweight
- Tony Petarra Welterweight
- Tony Sims 12-4-0 Lightweight
- Tonya Evinger 19-8-0 Women's Featherweight
- Tor Troéng 16-7-1 Middleweight
- Torrez Finney 11-1-0 Middleweight
- Toshiomi Kazama 11-5-0 Bantamweight
- Townsend Saunders 0-0-0 Lightweight
- Tra Telligman 16-4-0 Heavyweight
- Tracy Cortez 12-4-0 Women's Flyweight
- Travis Browne 18-7-1 Heavyweight
- Travis Fulton 0-0-0 Heavyweight
- Travis Lutter 12-5-0 Middleweight
- Travis Wiuff 22-3-0 Heavyweight
- Tre'ston Vines 0-0-0 Middleweight
- Trent Jenkins 0-2-0 Light Heavyweight
- Tresean Gore 7-4-0 Middleweight
- Trevin Giles 16-7-0 Catchweight
- Trevin Jones 13-10-0 Featherweight
- Trevor Peek 9-3-0 Featherweight
- Trevor Prangley 11-4-0 Heavyweight
- Trevor Smith 15-10-0 Middleweight
- Trey Ogden 18-7-0 Lightweight
- Trey Waters 9-2-0 Welterweight
- Tristan Connelly 14-8-0 Featherweight
- Troy Mandaloniz 3-2-0 Welterweight
- Tsuyoshi Kosaka Heavyweight
- Tucker Lutz 12-4-0 Featherweight
- Tuco Tokkos 11-6-0 Light Heavyweight
- Tulio Palhares 0-0-0 Welterweight
- Ty Miller 8-0-0 Welterweight
- Tyler Diamond 9-2-0 Featherweight
- Tyler Toner 11-3-0 Featherweight
- Tyrell Fortune 18-4-0 Heavyweight
- Tyron Woodley 19-7-1 Welterweight
- Tyrone Roberts 0-0-0 Light Heavyweight
- Tyson Griffin 15-6-0 Lightweight
- Tyson Nam 21-14-1 Catchweight
- Tyson Pedro 10-5-0 Heavyweight
U
- Ulka Sasaki Featherweight
- Ullubiy Amirzhanov Bantamweight
- Ulysses Gomez 9-4-0 Flyweight
- Umalat Israpilov Flyweight
- Umar Nurmagomedov 20-1-0 Bantamweight
- Uran Satybaldiev 9-1-0 Light Heavyweight
- Uriah Hall 18-11-0 Light Heavyweight
- Urijah Faber 35-11-0 Featherweight
- Uros Medic 13-3-0 Welterweight
V
- Vagner Rocha 11-4-0 Openweight
- Val Woodburn 7-2-0 Middleweight
- Valentina Shevchenko 26-4-1 Women's Flyweight
- Valeri Ignatov 0-0-0 Lightweight
- Valérie Létourneau 8-6-0 Women's Strawweight
- Valmir Lázaro 13-4-0 Lightweight
- Valter Walker 16-1-0 Heavyweight
- Vanessa Demopoulos 11-8-0 Women's Flyweight
- Vanessa Melo 11-8-0 Women's Bantamweight
- Vaughan Lee 14-11-1 Bantamweight
- Vernon Ramos Catchweight
- Vernon White 11-9-1 Heavyweight
- Veronica Hardy 10-5-1 Women's Flyweight
- Viacheslav Borshchev 8-7-1 Lightweight
- Vicente Luque 24-12-1 Middleweight
- Victor Altamirano 12-5-0 Flyweight
- Victor Henry 25-7-0 Bantamweight
- Victor Hugo 25-5-0 Featherweight
- Victor Martinez 13-6-0 Catchweight
- Victor Rodriguez 7-4-0 Flyweight
- Victor Valenzuela 0-0-0 Welterweight
- Victor Valimaki 8-3-0 Light Heavyweight
- Victoria Leonardo 9-7-0 Women's Flyweight
- Vik Grujic 7-5-0 Welterweight
- Viktor Pešta 10-4-0 Heavyweight
- Viktoriia Dudakova 8-2-0 Women's Strawweight
- Vinc Pichel 14-5-0 Lightweight
- Vince Cachero 7-4-0 Bantamweight
- Vince Morales 16-11-0 Bantamweight
- Vince Murdock 12-4-0 Bantamweight
- Vinicius Moreira 9-5-0 Heavyweight
- Vinicius Oliveira 24-4-0 Featherweight
- Vinicius Queiroz 5-2-0 Heavyweight
- Vinicius Salvador 14-7-0 Bantamweight
- Vinny Magalhães 11-7-0 Heavyweight
- Virna Jandiroba 23-4-0 Women's Strawweight
- Viscardi Andrade 19-7-0 Middleweight
- Viskhan Magomadov Welterweight
- Vitor Belfort 26-14-0 Heavyweight
- Vitor Miranda 13-7-0 Middleweight
- Vitor Petrino 14-2-0 Heavyweight
- Viviane Araujo 13-7-0 Women's Flyweight
- Viviane Pereira 13-1-0 Women's Strawweight
- Vladimir Matyushenko 26-7-0 Light Heavyweight
- Vlasto Čepo Middleweight
- Volkan Oezdemir 21-8-0 Light Heavyweight
W
- Wade Shipp 4-2-0 Heavyweight
- Wagner Campos 11-4-0 Featherweight
- Wagner Prado 8-2-0 Light Heavyweight
- Wagner Silva 3-3-0 Light Heavyweight
- Waldo Cortes-Acosta Heavyweight
- Walel Watson 9-5-0 Bantamweight
- Wallid Ismail 0-0-0 Middleweight
- Walt Harris 13-10-0 Heavyweight
- Wander Braga Lightweight
- Wanderlei Silva 35-12-1 Openweight
- War Machine Welterweight
- Warlley Alves 15-8-0 Middleweight
- Wasi Adeshina Featherweight
- Waylon Lowe 10-4-0 Welterweight
- Weili Zhang Flyweight
- Wellington Pereira Featherweight
- Wellington Turman 18-8-0 Welterweight
- Wendell Oliveira Light Heavyweight
- Werlleson Martins Featherweight
- Wes Albritton 0-0-0 Heavyweight
- Wes Combs 12-2-0 Heavyweight
- Wes Schultz 9-3-0 Middleweight
- Wes Sims 22-12-1 Heavyweight
- Wesley Correira 14-8-0 Heavyweight
- Westin Wilson 17-10-0 Lightweight
- Will Brooks 18-4-0 Welterweight
- Will Campuzano 13-6-0 Bantamweight
- Will Chope 19-6-0 Featherweight
- Willamy Freire 17-4-0 Lightweight
- William Gomis 15-4-0 Featherweight
- William Knight 11-5-0 Heavyweight
- William Macário 8-3-0 Welterweight
- Willie Gates 12-7-0 Bantamweight
- Wilson Gouveia 12-7-0 Light Heavyweight
- Wilson Reis 23-10-0 Featherweight
- Won Il Kwon Bantamweight
- Wuliji Buren 10-8-0 Bantamweight
X
- Xavier Foupa-Pokam 20-11-0 Middleweight
- Xiaocan Feng Strawweight
- Xiaonan Yan Strawweight
Y
- Yabna N’Tchalá Welterweight
- Yadier del Valle 11-1-0 Featherweight
- Yadong Song Bantamweight
- Yair Rodriguez 21-5-0 Featherweight
- Yamato Nishikawa 0-0-0 Lightweight
- Yan Cabral 12-3-0 Middleweight
- Yana Santos 17-8-0 Women's Bantamweight
- Yanal Ashmouz 8-2-0 Lightweight
- Yanan Wu Bantamweight
- Yancy Medeiros 15-8-0 Lightweight
- Yanis Ghemmouri 12-3-0 Featherweight
- Yaotzin Meza 21-11-0 Featherweight
- Yaozong Hu Light Heavyweight
- Yaroslav Amosov 29-1-0 Welterweight
- Yasuhiro Urushitani 19-6-6 Flyweight
- Yazmin Jauregui 11-2-0 Women's Strawweight
- Yehya Gheitta Featherweight
- Yi Sak Lee Middleweight
- Yin Shuai Flyweight
- Yizha 26-5-0 Featherweight
- Yoel Romero 13-5-0 Heavyweight
- Yohan Lainesse 9-3-0 Middleweight
- Yoislandy Izquierdo 6-2-0 Lightweight
- Yoji Anjo 0-0-0 Middleweight
- Yorgan De Castro 6-3-0 Heavyweight
- Yosdenis Cedeno 10-5-0 Lightweight
- Yoshihiro Akiyama 15-6-0 Catchweight
- Yoshinori Horie 0-1-0 Lightweight
- Yoshitomi Mishima Featherweight
- Yoshiyuki Yoshida 11-5-0 Welterweight
- You Min Shin Bantamweight
- Young Jae Song Featherweight
- Yousri Belgaroui 9-3-0 Middleweight
- Youssef Zalal 18-6-1 Featherweight
- Yudi Cahyadi Featherweight
- Yui Chul Nam 18-6-1 Featherweight
- Yuito Yanagawa Featherweight
- Yuki Kondo 0-0-0 Welterweight
- Yuki Sasaki 20-12-1 Openweight
- Yuneisy Duben 6-2-0 Women's Flyweight
- Yunosuke Minami Bantamweight
- Yunseong Jang Welterweight
- Yuri Vaulin 0-0-0 Middleweight
- Yuri Villefort 6-3-0 Welterweight
- Yusaku Kinoshita 6-3-0 Welterweight
- Yushin Okami 34-13-0 Middleweight
- Yusuke Kasuya 9-3-2 Lightweight
- Yves Edwards 42-22-1 Lightweight
- Yves Jabouin 20-11-0 Bantamweight
Z
- Zabit Magomedsharipov 18-1-0 Featherweight
- Zac Pauga 7-3-0 Heavyweight
- Zach Light 5-1-0 Welterweight
- Zach Makovsky 19-8-0 Flyweight
- Zach Scroggin 7-1-0 Catchweight
- Zachary Reese 10-4-0 Middleweight
- Zak Cummings 25-7-0 Light Heavyweight
- Zak Ottow 17-7-0 Middleweight
- Zane Frazier 0-2-0 Heavyweight
- Zarah Fairn 6-5-0 Women's Bantamweight
- Zarrukh Adashev 4-4-0 Catchweight
- Zelim Imadaev Welterweight
- Zhakshylyk Myrzabekov Welterweight
- Zhalgas Zhumagulov 14-9-0 Flyweight
- Zhengyong Lu Flyweight
- Zhenhong Lu Featherweight
- Zhikui Yao Bantamweight
- Zhumabek Tursyn Featherweight
- Zubaira Tukhugov 20-6-1 Catchweight
- Zviad Lazishvili 13-1-0 Bantamweight
- Zygimantas Ramaska 9-3-0 Lightweight