Daftar seniman bela diri campuran pria

Ini adalah daftar petarung bela diri campuran pria profesional yang terkenal dalam urutan abjad.


A
  Tank Abbott - (UFC, Pride, Strikeforce)
  Hamdy Abdelwahab - (UFC)
  Abdul-Aziz Abdulvakhabov - (ACB)
  Shamil Abdurakhimov - (UFC)
  Daichi Abe - (UFC, Pancrase)
  Hiroyuki Abe - (Shooto, KOTC, Cage Rage, DEEP, Pride)
  Papy Abedi - (UFC, Shooto)
  Cyril Abidi - (K-1)
  Klidson Abreu - (UFC, Brave CF, M-1 Global, Jungle Fight)
  Aaron Aby - (Oktagon MMA, ACB, CWFC)
  Daniel Acácio - (Pride, M-1, Shooto, Jungle Fight, KSW)
  Bernard Ackah - (DEEP, K-1 Hero's)
  Akihiko Adachi - (Shooto)
  Serhii Adamchuk - (M-1)
  Juan Adams - (UFC, PFL, LFA)
  Zarrukh Adashev - (UFC, Bellator)
  Israel Adesanya - (UFC)
  Sam Adkins - (UFC)
  Peter Aerts - (K-1, K-1 Hero's)
  Nick Agallar - (UFC, Bellator, WEC)
  AJ Agazarm - (Bellator)
  Kevin Aguilar - (UFC, Bellator, LFA)
  Christian Aguilera - (LFA, BAMMA)
  Bashir Ahmad - (OneFC)
  Katsuhisa Akasaki - (Shooto)
  Omari Akhmedov - (UFC)
  Jin Akimoto - (Shooto)
  Yoshihiro Akiyama - (K-1, K-1 Hero's, DREAM, UFC)
  Mostapha Al-Turk - (Cage Rage, UFC)
  Amir Albazi - (UFC)
  John Albert - (UFC)
  Junior Albini - (UFC)
  Karl Albrektsson - (Bellator)
  Ildemar Alcântara - (Jungle Fight, UFC)
  Iuri Alcântara - (Jungle Fight, WEC, UFC)
  Hector Aldana - (UFC)
  José Aldo - (Shooto, Jungle Fight, Pancrase, WEC, UFC)
  Jim Alers - (UFC, CWFC)
  John Alessio - (DREAM, KOTC, Pancrase, PRIDE, UFC, WEC, MFC, TPF, Bellator)
  Houston Alexander - (Adrenaline MMA, KSW, UFC, Bellator, OneFC)
  Cosmo Alexandre - (Bellator, OneFC)
  Bill Algeo - (UFC)
  Royce Alger - (UFC)
  Abdul Razak Alhassan - (UFC)
  Amir Aliakbari - (Rizin, ACB)
  Sultan Aliev - (Bellator, UFC)
  Ikram Aliskerov - (UFC, Brave CF)
  John Allan - (UFC)
  Arnold Allen - (UFC)
  Brendan Allen - (UFC, LFA)
  Ben Alloway - (UFC, CWFC)
  Asu Almabayev - (UFC)
  César Almeida - (UFC)
  Jailton Almeida - (UFC)
  Ricardo Almeida - (Pancrase, PRIDE, UFC)
  Thomas Almeida - (UFC, Legacy)
  Eddie Alvarez - (OneFC, UFC, Bellator, DREAM, EliteXC, ShoXC)
  Joel Álvarez - (UFC)
  Sean Alvarez - (RINGS, KOTC, UFC)
  Rafael Alves - (UFC)
  Thiago Alves - (KOTC, UFC)
  Warlley Alves - (UFC, Jungle Fight)
  Sam Alvey - (KOTC, Bellator, MFC, UFC)
  Andre Amade - (DREAM, K-1 Hero's)
  Adlan Amagov - (Strikeforce, UFC)
  Raul Amaya - (Bellator)
  J. J. Ambrose - (Affliction, Bellator)
  Alen Amedovski - (UFC, Bellator)
  Makwan Amirkhani - (UFC)
  Karl Amoussou - (Pancrase, M-1, DREAM, CWFC, Strikeforce, Bellator)
  Bertrand Amoussou-Guenou - (PRIDE)
  Eryk Anders - (UFC, LFC, Bellator)
  Corey Anderson - (UFC, Bellator)
  Derek Anderson - (Bellator)
  Viscardi Andrade - (Jungle Fight, UFC)
  Dylan Andrews - (UFC)
  Reese Andy - (IFL, UFC)
  Julius Anglickas - (Bellator, LFA)
  Yoji Anjo - (PRIDE, DEEP, UFC)
  Magomed Ankalaev - (UFC)
  Gadzhimurad Antigulov - (ACB, UFC)
  Kelly Anundson - (Bellator)
  Shinsho Anzai - (UFC, Rizin)
  Shinya Aoki - (DEEP, DREAM, PRIDE, Shooto, OneFC, Bellator)
  Josh Appelt - (Bellator)
  Erik Apple - (KOTC, WEC, ShoXC, Strikeforce)
  Jo Arai - (Rizin, Shooto)
  Felipe Arantes - (UFC)
  Igor Araujo - (UFC, M-1, Shooto)
  Julio Arce - (UFC)
  Juan Archuleta - (Rizin, Bellator, KOTC, WSOF)
  Andrei Arlovski - (Affliction, M-1, Strikeforce, EliteXC, UFC, OneFC, WSOF)
  Austin Arnett - (UFC)
  Ricardo Arona - (PRIDE, RINGS)
  Chalid Arrab - (K-1 Hero's, M-1, PRIDE)
  Akbarh Arreola - (UFC, Pancrase)
  Antônio Arroyo - (UFC, LFA)
  Matt Arroyo - (UFC)
  Noboru Asahi - (DEEP, Shooto, VTJ)
  Kai Asakura - (UFC, Rizin)
  Mikuru Asakura - (Rizin, DEEP)
  Ryusei Ashizawa - (Rizin)
  Askar Askarov - (ACB, UFC)
  Cyril Asker - (UFC)
  Scott Askham - (UFC, KSW, BAMMA, ACB)
  Ben Askren - (Bellator, OneFC, UFC)
  İbo Aslan - (UFC)
  Tom Aspinall - (UFC, BAMMA)
  João Assis - (M-1)
  Junior Assunção - (UFC, XFC, KOTC)
  Raphael Assunção - (WEC, UFC)
  Bazigit Atajev - (K-1 Hero's, Shooto, PRIDE, RINGS)
  Rich Attonito - (KOTC, UFC)
  Olivier Aubin-Mercier - (UFC)
  Fernando Augusto
  Marcus Aurélio - (KOTC, PRIDE, UFC, DREAM)
  David Avellan - (WEC)
  Blas Avena - (WEC, Bellator)
  Saad Awad - (Bellator, Strikeforce, KOTC)
  Javy Ayala - (Bellator)
  Jessin Ayari - (UFC)
  Ottman Azaitar - (UFC)
  Luiz Azeredo - (Bellator, Jungle Fight, Cage Rage, PRIDE, Shooto)
  Hunter Azure - (UFC, LFA)

B
  Niklas Bäckström - (UFC, CWFC)
  Seth Baczynski - (UFC, IFL, TPF, XFC)
  Abdul Azim Badakhshi - (Shooto, Matrix Fight Night, Super Fight League)
  Ryan Bader - (KOTC, UFC, Bellator)
  Justin Baesman - (KOTC, Bellator, WSOF)
  Miguel Baeza - (UFC, Titan FC)
  Ali Bagautinov - (UFC)
  Melsik Baghdasaryan - (UFC)
  Ali Bagov - (ACB)
  Siyar Bahadurzada - (Shooto, Strikeforce, Sengoku, UFC)
  Ignacio Bahamondes - (UFC)
  Shamar Bailey - (UFC, Strikeforce, Bellator, KOTC, M-1, XFC)
  Bryan Baker - (KOTC, WEC, MFC, Bellator)
  Gustavo Balart - (ONE, Titan FC)
  Oluwale Bamgbose - (UFC)
  Humberto Bandenay - (UFC)
  Tae Hyun Bang - (UFC, DEEP, M-1)
  Antonio Banuelos - (DREAM, PFC, WEC, UFC, TPF)
  Renan Barão - (Shooto, Jungle Fight, WEC, UFC)
  Bryan Barberena - (UFC)
  Edson Barboza - (UFC)
  Raoni Barcelos - (UFC)
  Mansour Barnaoui - (Bellator, KSW, CWFC, BAMMA)
  Luke Barnatt - (BAMMA, UFC, ACB, UCMMA)
  Chris Barnett - (UFC)
  Josh Barnett - (Affliction, Pancrase, PRIDE, UFC, Sengoku, DREAM, Strikeforce)
  David Baron - (PRIDE, Shooto, CWFC, UFC)
  Phil Baroni - (Cage Rage, EliteXC, PRIDE, PFC, Strikeforce, UFC, Titan FC, OneFC, Bellator)
  Carlos Barreto - (IVC, UFC, PRIDE, RINGS, Jungle Fight, M-1)
  Jason Barrett - (Cage Rage)
  Marc-André Barriault - (UFC)
  Francisco Albano Barrio - (KSW)
  Francimar Barroso - (Shooto, UFC)
  Pat Barry - (UFC)
  Enrique Barzola - (UFC, PFL)
  Farid Basharat - (UFC)
  Javid Basharat - (UFC)
  Duane Bastress - (Bellator)
  Danaa Batgerel - (UFC, LFC)
  Michel Batista - (UFC, M-1, Titan FC)
  Bryan Battle - (UFC)
  Alan Baudot - (UFC)
  Mario Bautista - (UFC)
  Chris Beal - (UFC)
  Rudy Bears - (Bellator, Strikeforce, M-1, Titan FC)
  Johnny Bedford - (UFC, Bellator, LFA)
  Chase Beebe - (KOTC, WEC, DREAM, Bellator)
  Lyle Beerbohm - (KOTC, ShoXC, Strikeforce, WSOF)
  Mirsad Bektić - (Titan FC, RFA, UFC)
  Alan Belcher - (UFC, Titan FC)
  Vitor Belfort - (Cage Rage, PRIDE, Affliction, Strikeforce, UFC)
  Kevin Belingon - (URCC, Legend FC, OneFC)
  Joey Beltran - (UFC, Bellator, KOTC, Strikeforce)
  Marco Beltrán - (UFC)
  Joseph Benavidez - (UFC, WEC, DREAM, PFC)
  Brandon Bender - (Bellator)
  Dave Beneteau - (UFC, KOTC)
  Eddy Bengtsson - (CWFC)
  Gabriel Benítez - (UFC)
  Charles Bennett - (KOTC, PRIDE, ShoXC, EliteXC)
  Lance Benoist - (UFC)
  Ryan Benoit - (MFC, UFC)
  Steve Berger - (Shooto, KOTC, UFC, Strikeforce)
  Bret Bergmark - (Pancrase, Strikeforce, WEC)
  Dennis Bermudez - (UFC, M-1)
  Manny Bermudez - (UFC)
  Mike Bernardo
  Keith Berry - (Bellator, Strikeforce, KOTC, WEC, ShoXC)
  Matt Bessette - (Bellator)
  Noah Bey - (Rizin)
  Alexandre Bezerra - (Bellator)
  Rony Mariano Bezerra - (UFC)
  Arjan Bhullar - (UFC)
  Magomed Bibulatov - (UFC, WSOF)
  David Bielkheden - (PRIDE, Cage Rage, CWFC, M-1, Shooto, UFC)
  Vitaly Bigdash - (ONE, ACB)
  Bam Bam Bigelow (†)
  Anthony Birchak - (UFC, Bellator, Rizin, LFA)
  Michael Bisping - (Cage Rage, CWFC, UFC)
  Amaury Bitetti - (UFC)
  Tariel Bitsadze - (RINGS)
  Todd Bjornethun - (Pancrase, Shooto, VTJ)
  Jan Blachowicz - (KSW, UFC)
  Jason Black - (UFC, PRIDE, WFA, KOTC)
  Brad Blackburn - (IFL, MFC, UFC, Bellator)
  Maximo Blanco - (UFC, Strikeforce, Sengoku, Pancrase)
  Curtis Blaydes - (UFC, RFA)
  Dan Bobish - (KOTC, PRIDE, UFC)
  Mark Bocek - (UFC, KOTC)
  Kyle Bochniak - (UFC)
  Tim Boetsch - (UFC, KOTC, IFL)
  Jerry Bohlander - (KOTC, UFC)
  Kotetsu Boku - (DREAM, K-1 Hero's, KOTC, Shooto, OneFC)
  Stephan Bonnar (†) - (Jungle Fight, UFC, Bellator)
  Rogério Bontorin - (UFC, Rizin, Pancrase)
  Ray Borg - (KOTC, Legacy, UFC)
  Ádám Borics - (PFL, Bellator)
  Caio Borralho - (UFC)
  Tanner Boser - (UFC, M-1, ACB)
  Steve Bossé - (UFC)
  Marcus Bossett - (UFC)
  Ryan Bow - (World Shooto)
  Brian Bowles - (WEC, UFC)
  Roger Bowling - (Strikeforce, UFC)
  Anvar Boynazarov - (LFA)
  Paul Bradley - (Bellator, UFC)
  Sean Brady - (UFC)
  Ebenezer Fontes Braga - (Pancrase, Jungle Fight, PRIDE, UFC)
  Ramiz Brahimaj - (UFC)
  David Branch - (UFC, Bellator, WSOF, Titan FC)
  Diego Brandão - (UFC)
  Martin Bravo - (UFC)
  Tom Breese - (UFC, BAMMA)
  Chris Brennan - (KOTC, PRIDE, UFC, Shooto, Cage Rage)
  Lucas Brennan - (Bellator, PFL)
  Charlie Brenneman - (UFC, ShoXC)
  Jason Brilz - (UFC, KOTC, Titan FC)
  Marcus Brimage - (UFC)
  Aaron Brink - (UFC)
  Henry Briones - (UFC, Legacy)
  Antwain Britt - (Strikeforce, YAMMA)
  Mike Bronzoulis - (Strikeforce, Bellator, Titan FC)
  Jonathan Brookins - (Bellator, WEC, UFC)
  Jarred Brooks - (ONE, Pancrase, UFC)
  Will Brooks - (Bellator, DREAM, UFC)
  Rob Broughton - (RINGS, Cage Rage, M-1, UFC)
  Damien Brown - (UFC)
  Matt Brown - (UFC)
  Mike Brown - (DEEP, WEC, UFC)
  Randy Brown - (UFC)
  T.J. Brown - (UFC)
  Travis Browne - (KOTC, Bellator, UFC)
  Steve Bruno - (UFC, IFL, MFC)
  Cody Brundage - (UFC)
  Derek Brunson - (Strikeforce, UFC, PFL)
  Justin Buchholz - (EliteXC, UFC)
  Zak Bucia - (Strikeforce, KOTC)
  Joaquin Buckley - (UFC)
  Mike Budnik - (KOTC, WEC)
  Paul Buentello - (KOTC, Strikeforce, Affliction, UFC, Legacy, Bellator)
  Modestas Bukauskas - (UFC, CWFC)
  Ilias Bulaid - (Bellator, Brave CF)
  Shawn Bunch - (Bellator)
  Shane Burgos - (UFC)
  Josh Burkman - (UFC, WSOF)
  LaRue Burley - (LFA, Bellator, KOTC, WSOF)
  Mads Burnell - (PFL, UFC)
  Mikey Burnett - (UFC)
  Gilbert Burns - (UFC)
  Herbert Burns - (UFC)
  Kevin Burns - (UFC)
  Nah-Shon Burrell - (Strikeforce, UFC, Bellator)
  Murilo Bustamante - (DEEP, Pancrase, Pride, UFC)
  Jason Butcher - (Bellator)
  Raphael Butler - (Bellator)
  Charles Byrd - (UFC)

C
  Yan Cabral - (UFC)
  Alex Caceres - (KOTC, UFC)
  Darrion Caldwell - (Bellator)
  Andrew Calandrelli - (Bellator)
  Frank Camacho - (UFC)
  Fabrício Camões - (UFC, Strikeforce, ShoXC, TPF)
  Brian Camozzi - (UFC, RFA)
  Chris Camozzi - (UFC, MFC)
  Shane Campbell - (MFC, WSOF)
  Derek Campos - (Bellator, KOTC)
  Will Campuzano - (UFC, WEC, VTJ)
  Aleksa Camur - (UFC)
  Chico Camus - (UFC, RFA)
  Luiz Cané - (UFC)
  Guido Cannetti - (UFC)
  Jared Cannonier - (UFC)
  Jose Canseco - (DREAM)
  Steve Cantwell - (UFC, WEC, Jungle Fight)
  Bruno Cappelozza - (PFL)
  Frank Caraballo - (Bellator)
  Bryan Caraway - (UFC, WEC, Strikeforce, EliteXC)
  Phil Cardella - (WEC)
  Chris Cariaso - (UFC, WEC, Strikeforce, ShoXC)
  Steve Carl - (M-1, Bellator, WSOF)
  Antônio Carlos Júnior - (UFC, PFL)
  Spike Carlyle - (UFC, LFA, Bellator, Rizin)
  Francis Carmont - (KSW, UFC)
  Roan Carneiro - (UFC, Shooto, DEEP)
  Tim Carpenter - (Bellator)
  Shonie Carter - (UFC, WEC, Pancrase, Shooto, Bellator, KOTC, MFC, KSW, M-1)
  Antonio Carvalho - (UFC, Shooto, MFC)
  Pedro Carvalho - (PFL, Bellator)
  Rafael Carvalho - (Bellator)
  Shane Carwin - (UFC, WEC)
  Johnny Case - (RFA, UFC)
  Cortney Casey - (UFC)
  Kevin Casey - (UFC, Strikeforce, RFA, K-1 Hero's, Bellator)
  Lester Caslow - (Bellator, Cage Fury)
  Bendy Casimir - (M-1, Shooto, WEC, Cage Rage, CWFC)
  John Castañeda - (UFC)
  Danny Castillo - (UFC, WEC, PFC)
  Gil Castillo - (WEC, KOTC, UFC)
  Raul Castillo - (Strikeforce)
  Tim Catalfo - (PRIDE, KOTC)
  Nick Catone - (UFC)
  Luke Caudillo - (UFC, Strikeforce)
  Gesias Cavalcante - (K-1 Hero's, Shooto, DREAM, Cage Rage, CWFC, Strikeforce, WSOF)
  Rafael Cavalcante - (UFC, Strikeforce, EliteXC, IFL)
  Magnus Cedenblad - (UFC)
  Yosdenis Cedeno - (UFC)
  Henry Cejudo - (LFA, UFC)
  Donald Cerrone - (WEC, UFC)
  Julio Cesar - (KSW, Bellator)
  Luan Chagas - (UFC)
  Jason Chambers - (DEEP)
  Michael Chandler - (Strikeforce, Bellator, UFC)
  Dan Charles - (Bellator)
  Joe Charles - (Pancrase, UFC)
  Danny Chavez - (UFC)
  Ernest Chavez - (UFC)
  Rick Cheek - (PFC)
  Fabio Cherant - (UFC, LFA)
  Michael Chiesa - (UFC)
  Giga Chikadze - (UFC)
  Khamzat Chimaev - (UFC)
  Sako Chivitchian - (UFC)
  Doo Ho Choi - (M-1, Sengoku, DEEP, UFC)
  Hong Man Choi - (DREAM, K-1, K-1 Hero's)
  Mu Bae Choi - (PRIDE, Sengoku, K-1 Hero's, Pancrase)
  Choi Seung-woo - (UFC)
  John Cholish - (UFC, Strikeforce)
  Ryo Chonan - (DEEP, Pancrase, Sengoku, DREAM, PRIDE, UFC)
  Joachim Christensen - (UFC, M1 Challenge)
  Dan Christison - (IFL, KOTC, WEC, UFC)
  Branko Cikatić - (PRIDE)
  Misha Cirkunov - (UFC)
  Johnny Cisneros - (Bellator, KOTC)
  Devin Clark - (UFC, RFA)
  LaVerne Clark - (UFC, RINGS, Pancrase, WFA, DEEP, KOTC, MFC)
  Logan Clark - (UFC, WEC, Sengoku)
  Mitch Clarke - (UFC, KOTC)
  Tywan Claxton - (Bellator)
  Rich Clementi - (UFC, Bellator, DREAM, K-1 Hero's, Adrenaline MMA, Titan FC)
  Chris Clements - (UFC)
  Scott Cleve - (Bellator)
  Dakota Cochrane - (Adrenaline MMA, Titan FC)
  Felipe Colares - (UFC, Jungle Fight)
  Devin Cole - (Strikeforce, IFL, PFC, WSOF)
  Mark Coleman - (PRIDE, UFC)
  Clay Collard - (PFL, UFC)
  Jake Collier - (UFC, RFA)
  Vuyisile Colossa - (OneFC)
  Carlos Condit - (KOTC, UFC, WEC, Pancrase)
  Alex Cook - (Pancrase, VTJ, Shooto)
  T. J. Cook - (Strikeforce)
  Brett Cooper - (Bellator, Affliction, Jungle Fight, IFL, Shooto)
  Dewey Cooper - (Strikeforce, PFC)
  Ray Cooper III - (PFL)
  Chris Cope - (UFC, Strikeforce)
  Kit Cope - (UFC, WEC, WFA)
  Akira Corassani - (UFC, Shooto)
  Henry Corrales - (Bellator, KOTC)
  Mike Corey - (Bellator, IFL, KOTC, WSOF)
  Daniel Cormier - (KOTC, Strikeforce, UFC)
  Wesley Correira - (RINGS, EliteXC, UFC, WEC)
  Waldo Cortes-Acosta - (LFA, Bellator, UFC)
  Paulo Costa - (UFC, Jungle Fight)
  Randy Costa - (UFC)
  Patrick Côté - (KOTC, MFC, UFC)
  Rashad Coulter - (UFC, Bellator, LFA)
  Randy Couture - (UFC, VTJ, RINGS)
  Ryan Couture - (UFC, Strikeforce, Bellator)
  Colby Covington - (UFC)
  Nathan Coy - (Strikeforce, MFC, Bellator)
  Andrew Craig - (UFC, Bellator)
  Paul Craig - (UFC, BAMMA)
  Dan Cramer - (UFC, Bellator)
  Alberto Crane - (KOTC, UFC)
  Tim Credeur - (UFC, KOTC)
  Paul Creighton - (UFC)
  Kevin Croom - (LFA, Titan FC, Bellator, UFC)
  Allen Crowder - (UFC)
  Daron Cruickshank - (UFC, KOTC)
  Richard Crunkilton - (UFC, WEC)
  Kyle Crutchmer - (Bellator)
  Jimmy Crute - (UFC)
  Dominick Cruz - (UFC, WEC)
  Márcio Cruz - (Sengoku, IFL, UFC)
  Joshua Culibao - (UFC)
  Abel Cullum - (KOTC, ShoXC, DREAM)
  Zak Cummings - (UFC, MFC, Bellator, Titan FC, Strikeforce)
  Patrick Cummins - (UFC)
  Luke Cummo - (UFC)
  João Cunha
  Jeff Curran - (IFL, KOTC, PRIDE, WEC, WFA, Bellator, UFC, Strikeforce)
  Pat Curran - (Bellator, Adrenaline MMA)
  Ion Cuțelaba - (UFC)

D
  Alex da Silva Coelho - (UFC, Brave CF)
  Bruno Gustavo da Silva - (UFC)
  Genair da Silva - (Bellator)
  Henrique da Silva - (UFC)
  Nicolas Dalby - (UFC)
  Paul Daley - (UFC, Strikeforce, Bellator, Cage Rage, BAMMA, ShoXC, MFC, CWFC)
  Rodrigo Damm - (UFC, Strikeforce, Sengoku, Shooto)
  Jarjis Danho - (UFC)
  Raymond Daniels - (Strikeforce)
  Dillon Danis - (Bellator)
  Alexandre Dantas - (UFC)
  Eduardo Dantas - (Shooto, Bellator)
  Mac Danzig - (WEC, KOTC, PRIDE, UFC)
  Karen Darabedyan - (WEC)
  Beneil Dariush - (UFC)
  Viacheslav Datsik - (M-1)
  Brandon Davis - (UFC)
  Chris Davis - (Bellator, Adrenaline MMA, XFC)
  Joey Davis - (Bellator)
  Martin Day - (UFC)
  Hakeem Dawodu - (UFC)
  Chris Daukaus - (UFC)
  Kyle Daukaus - (UFC, CFFC)
  LC Davis - (WEC, Sengoku, Affliction, IFL, Adrenaline MMA, Bellator, Titan FC)
  Marcus Davis - (UFC, MFC, Bellator)
  Mike Davis - (UFC)
  Phil Davis - (PFC, UFC)
  Raphael Davis - (Bellator, M-1, IFL, Titan FC)
  Grant Dawson - (UFC)
  Jason Day - (UFC, KOTC, MFC)
  Yorgan De Castro - (UFC, PFL)
  Geraldo de Freitas - (UFC, Shooto)
  Phil De Fries - (UFC)
  Omar de la Cruz - (Bellator, Sengoku)
  Mark De La Rosa - (UFC)
  Chris de la Rocha - (UFC)
  Mike De La Torre - (UFC)
  Johil de Oliveira - (PRIDE, Cage Rage, Shooto, Jungle Fight)
  Reinier de Ridder - (OneFC, UFC)
  Jesse Delgado - (Bellator)
  Ante Delija - (PFL, Rizin)
  Shane Del Rosario - (UFC, Strikeforce, ShoXC, M-1, KOTC)
  Herb Dean - (KOTC, Cage Rage)
  Tom DeBlass - (Bellator, UFC)
  Ramon Dekkers - (K-1 Hero's)
  Rolando Delgado - (UFC, Bellator, Shooto)
  Roland Delorme - (UFC)
  Jon Delos Reyes - (UFC)
  Chris Dempsey - (UFC, Bellator)
  Nick Denis - (UFC, KOTC, Sengoku)
  Jason Dent - (UFC, KOTC)
  Roberto de Souza - (Rizin)
  Tony DeSouza - (UFC, Jungle Fight, WFA)
  Robelis Despaigne - (UFC, Titan FC)
  Cory Devela - (Strikeforce)
  Edwin Dewees - (KOTC, UFC, Affliction, MFC)
  Alessio Di Chirico - (UFC)
  Cyrille Diabaté - (PRIDE, Cage Rage, ShoXC, UFC, PFC, TPF, M-1, DEEP, RINGS)
  Ousmane Thomas Diagne - (Strikeforce)
  Marc Diakiese - (UFC, Bellator, BAMMA)
  Hacran Dias - (Jungle Fight, Pancrase, Shooto, M-1, UFC)
  Nate Diaz - (WEC, Strikeforce, UFC)
  Nick Diaz - (PRIDE, Shooto, DREAM, UFC, WEC, EliteXC, Strikeforce)
  Alessio Di Chirico - (IMMAF, UFC)
  Josh Diekmann - (WEC, Bellator)
  T.J. Dillashaw - (UFC, KOTC)
  Rosen Dimitrov - (M-1, Shooto)
  Rumen Dimitrov - (Shooto)
  Jhonata Diniz - (UFC)
  Russell Doane - (KOTC, TPF, UFC)
  Drew Dober - (Bellator, Titan FC, UFC)
  John Dodson - (UFC, KOTC)
  Joe Doerksen - (DEEP, IFL, WEC, KOTC, RINGS, Sengoku, UFC)
  C.B. Dollaway - (UFC, Rizin)
  Roman Dolidze - (UFC)
  Cody Donovan - (Bellator, UFC)
  Rafael dos Anjos - (UFC, Pancrase, Shooto)
  Anderson dos Santos - (UFC, Titan)
  Junior dos Santos - (UFC)
  Cédric Doumbé - (Bellator, PFL)
  David Douglas - (EliteXC, ShoXC, Strikeforce)
  Danny Downes - (UFC, WEC, KOTC)
  Jared Downing - (Bellator)
  Tomasz Drwal - (UFC)
  Robert Drysdale - (UFC)
  Joe Duarte - (Strikeforce, Bellator)
  Joseph Duffy - (UFC, CWFC)
  Todd Duffee - (UFC, SFL, Jungle Fight, DREAM)
  Islam Dulatov - (UFC, Brave)
  Kelly Dullanty - (UFC, KOTC)
  Jason DeLucia - (Pancrase, Cage Rage, UFC)
  Guy Delumeau - (Shooto, Pancrase, DEEP)
  Evan Dunham - (PFC, UFC)
  Dricus du Plessis - (EFC, KSW, UFC)
  Tom Duquesnoy - (BAMMA, UFC)
  Reuben Duran - (UFC, KOTC)
  Cody Durden - (UFC)
  Merab Dvalishvili - (UFC)
  David Dvořák - (UFC)
  Matt Dwyer - (UFC)
  Rolando Dy - (UFC, Brave)

E
  Marvin Eastman - (KOTC, MFC, UFC, WFA, Shooto)
  Mike Easton - (UFC)
  Brian Ebersole - (UFC, IFL, Shooto, KOTC, Strikeforce)
  Johnny Eblen - (Bellator)
  Mark Eddiva - (UFC)
  Frankie Edgar - (UFC)
  Carlos Eduardo - (Bellator, Shooto)
  Johnny Eduardo - (UFC, Bellator, Jungle Fight, Shooto, VTJ)
  Fabian Edwards - (Bellator)
  Justin Edwards - (UFC, Bellator)
  Leon Edwards - (UFC, BAMMA)
  Yves Edwards - (KOTC, UFC, Shooto, WEC, PRIDE, EliteXC, Strikeforce, MFC, Bellator)
  Justin Eilers - (UFC, WEC, EliteXC)
  John-Olav Einemo - (UFC, Shooto, PRIDE)
  Per Eklund - (M-1, Shooto, UFC)
  Darren Elkins - (UFC)
  Jake Ellenberger - (UFC, IFL, Bellator, M-1, KOTC)
  Tim Elliott - (UFC, Titan FC, RFA)
  Jason Ellis 
  Ramazan Emeev - (UFC, M-1, ACB)
  Alexander Emelianenko - (M-1, PRIDE)
  Fedor Emelianenko - (PRIDE, RINGS, Affliction, Strikeforce, M-1, Bellator)
  Rob Emerson - (Pancrase, Shooto, UFC, KOTC, DEEP, TPF, Bellator)
  Jamall Emmers - (UFC)
  Josh Emmett - (UFC, KOTC)
  Oliver Enkamp - (UFC, Bellator)
  Yasubey Enomoto - (M-1, KSW, Shooto)
  Ian Entwistle - (UFC, Brave CF)
  Andy Enz - (UFC)
  Kleber Koike Erbst - (Rizin, KSW, DEEP)
  Steve Erceg - (UFC)
  Tom Erikson - (K-1 Hero's, PRIDE, VTJ)
  Julian Erosa - (UFC)
  Eric Esch - (Cage Rage, K-1, KOTC, PRIDE, PFC, KSW, YAMMA)
  Cole Escovedo - (WEC, IFL, PFC, Strikeforce, TPF, DREAM, UFC)
  Efrain Escudero - (UFC, TPF, Bellator)
  Juan Espino - (UFC)
  Jordan Espinosa - (UFC)
  Braulio Estima - (Titan FC)
  Terry Etim - (UFC, Bellator)
  Fred Ettish - (UFC, WEC)
  Billy Evangelista - (Strikeforce, WEC, PFC)
  Doug Evans - (Bellator, ShoXC, UFC)
  Rashad Evans - (UFC)
  Dan Evensen - (UFC, Bellator)
  Movsar Evloev - (UFC)
  Andre Ewell - (UFC, LFA)

F
  Edward Faaloloto - (UFC, WEC, Pancrase)
  Urijah Faber - (KOTC, WEC, UFC)
  Wagnney Fabiano - (IFL, WEC, Bellator)
  Bartosz Fabiński - (UFC, KSW)
  Rinat Fakhretdinov - (UFC)
  Maiquel Falcão - (UFC, Bellator, KSW)
  Gustavo Falciroli - (Shooto, OneFC)
  Brodie Farber - (UFC)
  Mahmoud Fawzy - (Bellator, PFL, Brave CF)
  Paul Felder - (UFC)
  Carlos Felipe - (UFC, ACB)
  Kevin "Kimbo Slice" Ferguson (†) - (CFFC, EliteXC, UFC)
  Tony Ferguson - (UFC)
  Bibiano Fernandes - (Jungle Fight, KOTC, K-1 Hero's, DREAM, OneFC)
  Alexandre Ferreira - (UFC, IFL, Jungle Fight, RINGS)
  Carlos Diego Ferreira - (Legacy, UFC)
  Cezar Ferreira - (UFC)
  Renan Ferreira - (PFL)
  Scott Ferrozzo - (UFC)
  André Fialho - (UFC)
  Drew Fickett - (KOTC, UFC, Cage Rage, Strikeforce, MFC, DREAM, XFC)
  Deiveson Figueiredo - (UFC, Jungle Fight)
  Francisco Figueiredo - (UFC, Jungle Fight)
  Edwin Figueroa - (UFC)
  Paulo Filho - (DEEP, Pancrase, PRIDE, DREAM, WEC, WSOF)
  Andre Fili - (UFC, KOTC, TPF)
  Mirko "Cro Cop" Filipović - (PRIDE, UFC, DREAM, Rizin, Bellator)
  Perry Filkins - (Bellator)
  Luigi Fioravanti - (UFC, MFC, M-1 Global)
  Luiz Firmino - (DREAM, M-1 Global, PRIDE, Shooto, WSOF)
  Jason Fischer - (Bellator)
  Spencer Fisher - (UFC)
  Chris Fishgold - (UFC, CWFC, BAMMA)
  Jon Fitch - (Shooto, UFC, WSOF)
  Rafael Fiziev - (UFC)
  Colin Fletcher - (UFC, BAMMA)
  Kenny Florian - (UFC)
  Caros Fodor - (KOTC, Strikeforce, UFC, OneFC)
  Eduard Folayang - (URCC, OneFC)
  Jesse Forbes - (UFC, WEC, MFC)
  Ryan Ford - (MFC, Bellator, WSOF)
  Jussier Formiga - (Shooto, TPF, UFC)
  Renee Forte - (UFC, Jungle Fight, Shooto)
  Marcel Fortuna - (UFC, Titan FC)
  Brian Foster - (UFC, CWFC, Titan FC)
  Kenny Foster - (Bellator)
  Hermes França - (K-1 Hero's, Shooto, UFC, WEC, MFC)
  Kai Kara-France - (UFC)
  John Franchi - (IFL, WEC)
  Rich Franklin - (UFC, WFA)
  Matt Frevola - (UFC)
  Justin Frazier - (UFC, Bellator)
  Zane Frazier - (UFC, Shooto, RINGS, KOTC, WEC)
  Ian Freeman - (Cage Rage, CWFC, M-1, Pancrase, UFC)
  Willamy Freire - (UFC, Shooto, DREAM, VTJ)
  Clay French - (KOTC, Sengoku, PRIDE, Adrenaline MMA, Titan FC, XFC)
  Don Frye - (K-1, K-1 Hero's, PRIDE, KOTC, UFC, DEEP)
  Tony Fryklund - (UFC, WEC, Strikeforce, Cage Rage, Titan FC, Bellator)
  Yutaka Fuji - (Shooto)
  Katsuhisa Fujii - (Shooto, UFC, Pancrase, DEEP, RINGS, PRIDE, M-1)
  Mitsuo Fujikura - (Shooto)
  Kazuyuki Fujita - (K-1, PRIDE, Sengoku)
  Yoshihiro Fujita - (Shooto)
  Yuji Fujita - (Shooto)
  Keisuke Fujiwara - (DREAM, Shooto)
  Masato Fujiwara - (Shooto)
  Riki Fukuda - (DEEP, EliteXC, DREAM, K-1 UFC)
  Satoshi Fukuoka - (Shooto)
  Travis Fulton (†) - (UFC, WEC, KOTC, IFL, Pancrase, RINGS)
  Masakatsu Funaki - (Pancrase, K-1 Hero's, DREAM, RINGS)
  Ricardo Funch - (UFC)
  Ricardo Fyeet - (RINGS)

G
  Justin Gaethje - (UFC, WSOF)
  Marat Gafurov - (ONE, ACB, M-1)
  Mitch Gagnon - (UFC)
  Zelg Galešić - (Cage Rage, PRIDE, DREAM, Bellator, SFL, K-1 Hero's)
  Vener Galiev - (M-1)
  Mickey Gall - (UFC)
  André Galvão - (Strikeforce, DREAM)
  Marcos Galvão - (Shooto, Jungle Fight, WEC, Bellator)
  Mauro Galvão - (Shooto, Jungle Fight)
  Manny Gamburyan - (UFC, WEC, KOTC)
  Mateusz Gamrot - (UFC)
  Shamil Gamzatov - (UFC, PFL, WSOF, ACB)
  Ciryl Gane - (UFC)
  Sean Gannon - (UFC, CWFC)
  Luiz Eduardo Garagorri - (UFC)
  Alex Garcia - (UFC)
  Edgar Garcia - (WEC, UFC, Bellator, TPF)
  Leonard Garcia - (UFC, WEC)
  Rafa García - (UFC)
  Steve Garcia - (Bellator, UFC)
  Cody Garbrandt - (UFC)
  Pablo Garza - (KOTC, WEC, UFC)
  Brian Gassaway (†) - (Bellator, WEC, KOTC, Shooto, Pancrase)
  Kelvin Gastelum - (UFC)
  Willie Gates - (UFC, Bellator, KOTC)
  Louis Gaudinot - (UFC)
  Shamil Gaziev - (Brave, UFC)
  Chad George - (WEC, TPF)
  Kamen Georgiev - (Shooto)
  Hesdy Gerges - (Bellator)
  Tiki Ghosn - (WEC, UFC, WFA, KOTC, Strikeforce)
  Christos Giagos - (UFC, ACB)
  Cody Gibson - (UFC, TPF)
  Lance Gibson - (UFC, Shooto)
  Trevin Giles - (UFC)
  Gregor Gillespie - (UFC)
  Bob Gilstrap - (UFC)
  Brandon Girtz - (Bellator)
  Ricky Glenn - (UFC)
  Krzysztof Głowacki - (KSW)
  Konstantin Gluhov - (K-1, M-1, KSW, Pancrase)
  Massaro Glunder
  Rodney Glunder - (RINGS, PRIDE, Cage Rage, M-1, KSW, AOW)
  Mark Godbeer - (BAMMA, UFC)
  Allan Goes - (IFL, Pancrase, PRIDE, UFC)
  Bakouri Gogitidze - (RINGS)
  Bryan Goldsby - (Bellator, Adrenaline MMA, Titan FC, PFC)
  Marcelo Golm - (UFC, PFL, Bellator)
  Denis Goltsov - (PFL)
  Sergey Golyaev - (M-1, Shooto, Sengoku)
  Anthony Gomez - (Bellator)
  Frank Gomez - (WEC)
  Mikey Gomez - (EliteXC, XFC, Bellator)
  Ulysses Gomez - (UFC, Bellator, TPF, PFC)
  Takanori Gomi - (PRIDE, Shooto, VTJ, Sengoku, UFC)
  Evgeniy Goncharov - (ACB)
  Akihiro Gono - (DEEP, Pancrase, PRIDE, Shooto, UFC, Sengoku, Bellator)
  Chris Gonzalez - (Bellator)
  Gabriel Gonzaga - (Shooto, Jungle Fight, UFC)
  Fernando Gonzalez - (WEC, KOTC, Strikeforce, Bellator)
  Jason Gonzalez - (UFC)
  Lyman Good - (IFL, CFFC, Bellator, UFC)
  Jared Gooden - (UFC)
  Herbert Goodman - (Bellator, M-1, KOTC)
  Gary Goodridge - (K-1, K-1 Hero's, PRIDE, Affliction, UFC)
  Gerard Gordeau - (UFC, VTJ)
  Eddie Gordon - (UFC)
  Jared Gordon - (CFFC, UFC)
  Malcolm Gordon - (UFC, Bellator)
  Themba Gorimbo - (UFC)
  Chase Gormley - (UFC, Bellator, XFC, MFC, KOTC, ACB)
  Jonathan Goulet - (KOTC, UFC)
  Thibault Gouti - (UFC, Bellator)
  Wilson Gouveia - (UFC, MFC, KOTC)
  Haim Gozali - (Bellator, Jungle Fight)
  Damian Grabowski - (Bellator, M-1, UFC)
  Daniel Gracie - (Bellator, PRIDE)
  Kron Gracie - (UFC)
  Neiman Gracie - (WSOF, Bellator)
  Ralek Gracie - (DREAM, K-1 Hero's)
  Renzo Gracie - (PRIDE, RINGS, K-1, IFL, EliteXC, UFC)
  Rickson Gracie - (PRIDE, VTJ)
  Rodrigo Gracie - (PRIDE, K-1 Hero's)
  Roger Gracie - (Sengoku, Strikeforce, UFC, OneFC)
  Rolles Gracie - (IFL, AOW, UFC, OneFC, WSOF)
  Royce Gracie - (K-1, K-1 Hero's, PRIDE, UFC)
  Royler Gracie - (VTJ, PRIDE, K-1 Hero's)
  Ryan Gracie - (PRIDE)
  Peter Graham - (Sengoku, AOW, Bellator, KSW)
  Davey Grant - (UFC)
  Dwight Grant - (UFC, Bellator)
  T. J. Grant - (KOTC, UFC)
  Tony Gravely - (UFC, LFA, CFFC)
  Michael Graves - (UFC, Titan FC)
  Sergej Grecicho - (Bellator, Shooto, K-1 Hero's, CWFC, KSW)
  Sam Greco - (K-1, K-1 Hero's)
  Bobby Green - (Strikeforce, Affliction, KOTC, TPF, UFC)
  Desmond Green - (Bellator, Titan FC, UFC)
  Gabriel Green - (UFC)
  Maurice Greene - (UFC, PFL, LFA)
  Matt Grice - (UFC)
  Forrest Griffin - (KOTC, UFC)
  Jordan Griffin - (UFC, LFA, KOTC)
  Max Griffin - (UFC)
  Maxim Grishin - (UFC, PFL)
  Tyson Griffin - (Strikeforce, UFC, WSOF)
  Chad Griggs - (UFC, Strikeforce, IFL)
  Josh Grispi - (WEC, UFC)
  Kendall Grove - (KOTC, UFC, KSW, Bellator)
  Neil Grove - (Bellator, Cage Rage, UFC, SFL)
  Chris Gruetzemacher - (WSOF, Strikeforce)
  Mike Grundy - (UFC, ACB, BAMMA)
  Fabrício Guerreiro - (Bellator)
  Shannon Gugerty - (UFC)
  Clay Guida - (KOTC, Shooto, WEC, UFC, Strikeforce)
  Jason Guida - (ShoXC, Adrenaline MMA, WEC, KSW, Bellator)
  Melvin Guillard - (UFC, WSOF, Bellator)
  Marcelo Guimarães - (UFC, Jungle Fight)
  John Gunderson - (IFL, UFC, PFC, TPF, WSOF)
  Fabio Gurgel - (UFC)
  Jorge Gurgel - (KOTC, UFC, Strikeforce, Titan FC)
  Bogdan Guskov - (UFC, Brave CF)
  Alexander Gustafsson - (UFC, KSW, Shooto)
  Chris Gutiérrez - (UFC)
  Mike Guymon - (UFC, KOTC, Bellator)

H
  Keith Hackney - (UFC)
  Damir Hadzovic - (UFC, CWFC)
  Jake Hager - (Bellator)
  Tim Hague (†) - (KOTC, UFC, MFC, WSOF)
  Rich Hale - (Bellator)
  Mark Hall - (UFC)
  Ryan Hall - (UFC)
  Uriah Hall - (UFC, Bellator)
  Dennis Hallman - (UFC, Strikeforce, MFC, Shooto, WFA, IFL, KOTC, WSOF, Titan FC)
  Piotr Hallmann - (UFC, CWFC)
  Tony Halme - (UFC, RINGS)
  Brandon Halsey - (Bellator, KOTC)
  Kazuhiro Hamanaka - (Pancrase, M-1, IFL, K-1 Hero's, PRIDE)
  Matt Hamill - (UFC, WSOF)
  Anthony Hamilton - (MFC, UFC)
  Anthony Hamlett - (WEC, Shooto)
  Jared Hamman - (WSOF, UFC, ShoXC, Strikeforce)
  Volk Han - (RINGS)
  Joachim Hansen - (Shooto, DEEP, K-1 Hero's, PRIDE, DREAM)
  Antoni Hardonk - (RINGS, K-1, UFC)
  Dan Hardy - (CWFC, KOTC, UFC)
  Greg Hardy - (UFC)
  Carlston Harris - (UFC)
  Gerald Harris - (UFC, DREAM, TPF, Titan FC, WSOF)
  Dhafir Harris (Bellator)
  Phil Harris - (Cage Rage, BAMMA, UFC, CWFC)
  Walt Harris - (UFC, Titan FC)
  Dale Hartt - (UFC)
  Clay Harvison - (UFC, Bellator)
  Nasrat Haqparast - (UFC)
  Lee Hasdell - (RINGS, Cage Rage)
  Carlton Haselrig - (EliteXC)
  Chris Haseman - (UFC, RINGS, WFA)
  Hayder Hassan - (UFC, M-1, Brave CF, Strikeforce)
  Daiki Hata - (Pancrase, DEEP, DREAM)
  John Hathaway - (UFC, Cage Rage)
  Phil Hawes - (UFC)
  Rick Hawn - (Bellator)
  Tomoaki Hayama - (Shooto)
  Mike Hayes - (Strikeforce, PFC, CWFC, Bellator, KSW)
  Josh Haynes - (UFC, IFL)
  Dustin Hazelett - (KOTC, UFC)
  James Head - (UFC)
  Pat Healy - (KOTC, MFC, WEC, Titan FC, IFL, Strikeforce, UFC)
  Ryan Healy - (WEC, Strikeforce, KOTC, MFC, SFL)
  David Heath - (KOTC, MFC, UFC)
  Jake Hecht - (UFC, CWFC)
  Alateng Heili - (UFC)
  Nick Hein - (UFC)
  Ian Heinisch - (UFC, LFA)
  Marcin Held - (Bellator, Shooto, UFC)
  Benson Henderson - (MFC, WEC, UFC, Bellator)
  Dan Henderson - (RINGS, PRIDE, UFC, Strikeforce)
  Johny Hendricks - (WEC, UFC)
  Luis Henrique - (UFC, Shooto)
  Danny Henry - (UFC)
  Victor Henry - (UFC)
  Jai Herbert - (UFC)
  Dave Herman - (UFC, Bellator, EliteXC, Sengoku, ShoXC, Titan FC)
  Ed Herman - (Pancrase, UFC, Strikeforce)
  Jack Hermansson - (UFC, Bellator, CWFC)
  Alexander Hernandez - (UFC)
  Anthony Hernandez - (UFC)
  Álvaro Herrera - (UFC)
  Geane Herrera - (UFC, RFA)
  Heath Herring - (K-1 Hero's, PRIDE, UFC)
  Tony Hervey - (Bellator, KOTC, BAMMA, Shooto)
  Jared Hess - (Bellator)
  Jon Hess - (UFC)
  Clint Hester - (UFC)
  Jimy Hettes - (UFC)
  Conor Heun - (IFL, EliteXC, ShoXC, Strikeforce)
  Marcus Hicks - (WEC)
  Jay Hieron - (Bellator, WEC, IFL, Affliction, Strikeforce, UFC, Titan FC)
  Jason High - (UFC, Strikeforce, Affliction, DREAM, Titan FC)
  Leandro Higo - (Bellator, LFA, Jungle)
  Corey Hill - (UFC, XFC, TPF)
  Jamahal Hill - (UFC)
  Josh Hill - (Bellator, WSOF)
  Branden Lee Hinkle - (UFC, RINGS, IVC, Pancrase, VTJ)
  Hatsu Hioki - (Shooto, PRIDE, Sengoku, UFC, Rizin)
  Ren Hiramoto - (Rizin)
  Kuniyoshi Hironaka - (Pancrase, VTJ, DREAM, UFC, Shooto)
  Mizuto Hirota - (Shooto, Sengoku, Strikeforce, UFC)
  Matt Hobar - (UFC)
  Bobby Hoffman - (KOTC, RINGS, UFC, Jungle Fight)
  Sam Hoger - (UFC, IFL)
  Josh Hokit - (Bellator)
  Andrew Holbrook - (UFC)
  Mark Holata - (Bellator)
  Chris Holdsworth - (UFC)
  Kevin Holland - (UFC)
  Roger Hollett - (MFC, Bellator, UFC)
  Max Holloway - (UFC)
  Patrick Holohan - (Pancrase, Cage Contender, UFC)
  Scott Holtzman - (UFC, XFC)
  Sabah Homasi - (Bellator, UFC, Titan FC, Strikeforce)
  Mark Hominick - (UFC, Affliction, WEC)
  Chris Honeycutt - (Bellator, ACB)
  Satoshi Honma - (PRIDE, UFC, Shooto, K-1)
  Chase Hooper - (UFC)
  Darrell Horcher - (Bellator, UFC)
  Moti Horenstein - (UFC)
  Kyoji Horiguchi - (Shooto, VTJ, UFC, Rizin)
  Jeremy Horn - (IFL, KOTC, Pancrase, PRIDE, UFC, WEC, RINGS, Adrenaline MMA, Bellator)
  Dan Hornbuckle - (Sengoku, Bellator, DEEP, Titan FC)
  Chris Horodecki - (Bellator, WEC, IFL)
  Matt Horwich - (UFC, Strikeforce, Bellator, IFL, BAMMA, KSW)
  Jeff Hougland - (UFC, WEC)
  Harold Howard - (UFC)
  John Howard - (UFC, IFL)
  Robert Howard
  Tom Howard - (Cage Rage, IFL, K-1)
  Shane Howell - (Bellator, KOTC, UFC)
  Austin Hubbard - (UFC)
  Roger Huerta - (UFC, Bellator, OneFC)
  Jeff Hughes - (UFC, LFA)
  Mark Hughes - (UFC)
  Matt Hughes - (UFC, Shooto, RINGS)
  Paul Hughes - (PFL, Bellator, BAMMA, CWFC)
  Matt Hume - (Pancrase)
  Mark Hunt - (PRIDE, DREAM, UFC)
  Solomon Hutcherson - (UFC, MFC)

I
  Al Iaquinta - (UFC)
  Khadis Ibragimov - (UFC, M-1)
  Dan Ige - (UFC)
  Alexey Ignashov - (K-1)
  Fabiano Iha - (KOTC, PRIDE, UFC)
  Hisao Ikeda - (Shooto)
  Seichi Ikemoto - (DEEP, DREAM, PRIDE, Shooto)
  Junji Ikoma - (Shooto)
  Mikhail Ilyukhin - (PRIDE, RINGS, K-1 Hero's)
  Toby Imada - (WEC, KOTC, Bellator)
  Masakazu Imanari - (Pancrase, PRIDE, Cage Rage, DREAM, DEEP, OneFC)
  Zelim Imadaev - (UFC)
  Nassourdine Imavov - (UFC)
  Brad Imes - (UFC, WEC, IFL, KOTC, Titan FC, PFC)
  Guto Inocente - (Shooto, Strikeforce, UFC)
  Egan Inoue - (Shooto, RINGS, PRIDE)
  Enson Inoue - (PRIDE, VTJ, Shooto, UFC)
  Naoki Inoue - (DEEP, UFC)
  Takeshi Inoue - (Shooto, DREAM, VTJ)
  James Irvin - (Strikeforce, WEC, UFC, TPF, KSW)
  Ali Isaev - (Bellator)
  Mitsuhiro Ishida - (PRIDE, DREAM, Strikeforce, Shooto, DEEP)
  Teruto Ishihara - (UFC, Shooto)
  Satoshi Ishii - (K-1, DREAM, Sengoku)
  Yoshimasa Ishikawa - (Shooto)
  Shintaro Ishiwatari - (Shooto, Pancrase, Sengoku, VTJ)
  Takashi Ishizaki - (Shooto)
  Tokimitsu Ishizawa - (DREAM, K-1 Hero's, PRIDE)
  Wallid Ismail - (PRIDE, UFC)
  Damir Ismagulov - (UFC, M-1)
  Leandro Issa - (OneFC, UFC)
  Junji Ito - (Shooto)
  Takenori Ito - (Shooto)
  Yuji Ito - (Shooto)
  Blagoy Ivanov - (Sengoku, Bellator, WSOF)
  Hiroshi Izumi - (Sengoku, DREAM)

J
  Yves Jabouin - (WEC, UFC)
  Damon Jackson - (UFC, Bellator, KOTC, Legacy)
  Eugene Jackson - (UFC, Strikeforce)
  Jason Jackson - (Bellator, PFL, Titan FC)
  Jeremy Jackson - (KOTC, UFC)
  Kevin Jackson - (UFC)
  Mike Jackson - (UFC)
  Montel Jackson - (UFC)
  Quinton Jackson - (KOTC, PRIDE, UFC, WFA, Bellator)
  Dustin Jacoby - (UFC, WSOF, Titan FC, Bellator)
  Daniel James - (PFL)
  Ryan Janes - (UFC)
  Keith Jardine - (KOTC, MFC, Pancrase, UFC, Strikeforce)
  Antoine Jaoude - (K-1, IFL)
  Damian Janikowski - (KSW)
  Dave Jansen - (Bellator, WEC, M-1)
  Justin Jaynes - (UFC, Bellator)
  Bubba Jenkins - (TPF, Bellator, ACB)
  Trent Jenkins - (RINGS, UFC)
  Steve Jennum - (UFC)
  Ryan Jensen - (UFC, Strikeforce, Bellator)
  Maciej Jewtuszko - (UFC, WEC, KSW)
  Ronald Jhun - (Shooto, Strikeforce, UFC, WFA, KOTC)
  Art Jimmerson - (UFC)
  Ryan Jimmo (†) - (MFC, UFC)
  Brett Johns - (CWFC, Titan FC, UFC)
  Miles Johns - (UFC)
  Anthony Johnson (†) - (UFC, WSOF, Titan FC)
  Charles Johnson - (UFC, LFA)
  DaMarques Johnson - (UFC, KOTC)
  Dashon Johnson - (UFC)
  Demetrious Johnson - (OneFC, UFC, WEC, KOTC)
  Jordan Johnson - (UFC, RFA)
  Kajan Johnson - (UFC, MFC, KOTC)
  Lavar Johnson - (Bellator, UFC, WEC, Strikeforce, PFC)
  Michael Johnson - (UFC, Titan FC)
  Timothy Johnson - (UFC, Bellator)
  Tony Johnson - (Bellator, KOTC, ONE, ACB)
  Wesley Johnson - (Cage Rage)
  Brian Johnston - (UFC, Strikeforce)
  Jon Jones - (UFC)
  Marcus Jones - (UFC)
  Mason Jones - (UFC, CWFC)
  Nathan Jones - (PRIDE)
  Paul Jones - (UFC, Shooto)
  Phoenix Jones - (WSOF)
  Trevin Jones - (UFC, ACB)
  Kevin Jordan - (UFC, Strikeforce)
  Shawn Jordan - (UFC, Strikeforce, Bellator, WEC)
  Ivan Jorge - (UFC, Jungle Fight, M-1, Shooto)
  Scott Jorgensen - (UFC, WEC, ShoXC)
  Krzysztof Jotko - (UFC, PFL)
  Alan Jouban - (UFC, TPF, RFA)
  Charles Jourdain - (UFC)
  Kevin Jousset - (UFC)
  Jesse Juarez - (Bellator, Strikeforce, MFC)
  Anshul Jubli - (MFN, UFC)
  Luke Jumeau - (UFC)
  Bu Kyung Jung - (DREAM, DEEP)
  Da Woon Jung - (UFC)
  Chan Sung Jung - (UFC, WEC, Sengoku, DEEP, Pancrase)
  Myles Jury - (Shooto, KOTC, UFC)

K
  Hideki Kadowaki - (Shooto, Sengoku, DEEP)
  Mahamedkhabib Kadzimahamedau - (Bellator)
  Movlid Khaybulaev - (ONE, PFL)
  Tang Kai - (ONE)
  Baruto Kaito - (Rizin)
  Takahiro Kajita - (Pancrase, Shooto, DEEP)
  Kai Kamaka III - (PFL)
  Martin Kampmann - (UFC, WFA, KOTC, CWFC)
  Oumar Kane - (ONE)
  Masanori Kanehara - (K-1, K-1 Hero's, Shooto, Pancrase, Sengoku, DEEP, UFC)
  Denis Kang - (PRIDE, Pancrase, K-1, M-1, UFC, DREAM)
  Hiroyuki Kanno - (Shooto)
  Kyung Ho Kang - (UFC, DEEP, Sengoku)
  Manel Kape - (Rizin, UFC)
  Dave Kaplan - (UFC)
  Georgi Karakhanyan - (WSOF, DREAM, Bellator, BAMMA, KOTC, TPF)
  Alex Karalexis - (WEC, UFC)
  Impa Kasanganay - (PFL, UFC)
  Dawid Kasperski - (KSW)
  Joop Kasteel - (RINGS)
  Calvin Kattar - (UFC, EliteXC)
  Hisaki Kato - (Bellator, Rizin)
  Tetsuji Kato - (Shooto, VTJ, DEEP, Strikeforce)
  Brad Katona - (UFC)
  Yukio Kawabe - (PRIDE, Pancrase)
  Kenji Kawaguchi - (Shooto)
  Yusuke Kawaguchi - (M-1, DEEP, DREAM, KSW)
  Namiki Kawahara - (ONE, Rizin, DEEP, Pancrase)
  Tatsuya Kawajiri - (PRIDE, Shooto, Strikeforce, DREAM, UFC)
  Ryo Kawamura - (Pancrase, Sengoku, OneFC)
  Saburo Kawakatsu - (Shooto)
  Chris Kelades - (Bellator, UFC)
  Benjamin Kelleher
  Brian Kelleher - (UFC)
  Tony Kelley - (UFC)
  Dan Kelly - (UFC)
  Daniel Kelly - (UFC)
  Paul Kelly - (UFC, SFL, CWFC)
  Song Kenan - (UFC)
  Jeremy Kennedy - (UFC, Bellator)
  Tim Kennedy - (WEC, IFL, Strikeforce, UFC)
  Casey Kenney - (UFC)
  Azamat Kerefov - (ACB)
  Mark Kerr - (UFC, PRIDE, IFL, Cage Rage, M-1, YAMMA)
  Will Kerr - (WEC)
  Ron Keslar - (Bellator)
  Rustam Khabilov - (UFC, OneFC, M-1)
  Mamed Khalidov - (Shooto, ShoXC, ACB, KSW, Sengoku)
  Sergey Khandozhko - (UFC, ACB)
  Sergei Kharitonov - (PRIDE, RINGS, K-1 Hero's, DREAM, Strikeforce, M-1, Bellator)
  Magomedrasul Khasbulaev - (Bellator, M-1, ACB)
  Ferrid Kheder - (Shooto, M-1, Bellator)
  Timur Khizriev - (Bellator, PFL)
  Akira Kibe - (DEEP, Shooto)
  Akira Kikuchi - (K-1 Hero's, Shooto)
  Katsunori Kikuno - (DEEP, DREAM, UFC)
  Sanae Kikuta - (VTJ, Pancrase, PRIDE, UFC, Sengoku, DEEP)
  Dong Hyun Kim - (DEEP, UFC)
  Dong Hyun Kim - (UFC)
  Jong Man Kim - (K-1 Hero's, Shooto, Sengoku, DEEP, M-1)
  Min Soo Kim - (K-1 Hero's)
  Jeremy Kimball - (UFC, RFA, Bellator)
  Rob Kimmons - (UFC, Shooto, WEC, Titan FC)
  Dustin Kimura - (UFC, KOTC)
  Koichiro Kimura - (VTJ)
  Taiei Kin - (K-1 Hero's, DREAM)
  Danny Kingad - (ONE)
  Kyle Kingsbury - (UFC, KOTC)
  Daichi Kitakata - (Rizin, Pancrase, DEEP)
  Koji Kitao - (PRIDE, UFC)
  Satoru Kitaoka - (Pancrase, Sengoku, DEEP, DREAM)
  Ľudovít Klein - (UFC)
  Drakkar Klose - (UFC)
  Kevin Knabjian - (Shooto, WEC, Bellator)
  Jason Knight - (Titan FC, UFC)
  William Knight - (UFC)
  Fatih Kocamis - (M-1, PRIDE, RINGS)
  Erik Koch - (WEC, UFC)
  Junya Kodo - (Shooto, DREAM, VTJ)
  Toru Koga - (Shooto)
  Brad Kohler - (UFC, RINGS, DEEP)
  Hiroyuki Kojima - (Shooto)
  Naoto Kojima - (Shooto)
  Shinichi Kojima - (Shooto, OneFC)
  Szymon Kołecki - (KSW)
  John Kolosci - (UFC, Strikeforce, Bellator, XFC)
  Yuki Kondo - (Pancrase, PRIDE, UFC, DEEP, Sengoku)
  Cheick Kongo - (UFC, Bellator, RINGS)
  Kritsada Kongsrichai - (OneFC) 
  Masayuki Kono - (Pancrase)
  Tomonari Kanomata - (Pancrase, Shooto)
  Cole Konrad - (Bellator)
  Andrei Kopylov - (PRIDE, RINGS)
  Roman Kopylov - (UFC)
  Andrey Koreshkov - (Bellator)
  Tsuyoshi Kosaka - (RINGS, PRIDE, UFC, Pancrase, DEEP)
  Josh Koscheck - (UFC, Bellator)
  Hiroki Kotani - (Shooto)
  Naoyuki Kotani - (Pancrase, PRIDE, UFC)
  Steve Kozola - (Bellator, LFA, BAMMA, WSOF)
  Derrick Krantz - (UFC, Bellator, LFA)
  James Krause - (Bellator, WEC, Titan FC, UFC)
  Pascal Krauss - (UFC, CWFC, Shooto)
  Emil Kristev - (RINGS)
  Jörgen Kruth - (K-1, UFC)
  Nikita Krylov - (UFC, M-1)
  Yuta Kubo - (Rizin)
  Misaki Kubota - (Shooto)
  Alexei Kudin - (Bellator, M-1, Shooto)
  Michael Kuiper - (UFC, Titan FC)
  Anton Kuivanen - (UFC, K-1 Hero's, Shooto)
  Takasuke Kume - (Shooto, Pancrase, Rizin, ONE)
  Alexey Kunchenko - (UFC, PFL, M-1)
  Kiichi Kunimoto - (UFC, Pancrase)
  Kiuma Kunioku - (Sengoku, DEEP, Pancrase, K-1 Hero's)
  Ramazan Kuramagomedov - (Bellator, PFL, ACB)
  Masakazu Kuramochi - (DEEP, Pancrase, Shooto)
  Eldar Kurtanidze - (PRIDE)
  Kazuhiro Kusayanagi - (Shooto, VTJ)
  Takuya Kuwabara - (Shooto)
  Won-il Kwon - (ONE)
  Mike Kyle - (KOTC, WEC, UFC, Pancrase, Strikeforce, WSOF)

L
  Josh LaBerge - (Bellator, Strikeforce)
  Ryan LaFlare - (UFC)
  Noad Lahat - (UFC, Bellator, BAMMA)
  Tim Lajcik - (UFC, Pancrase, WFA, RINGS)
  Ricardo Lamas - (UFC, WEC)
  Jason Lambert - (KOTC, UFC, WEC, Bellator)
  Nate Landwehr - (UFC)
  Austen Lane - (UFC)
  Dalcha Lungiambula - (UFC)
  Aung La Nsang - (Bellator, CFFC, OneFC)
  Taylor Lapilus - (UFC)
  Chad Laprise - (UFC, Bellator)
  Anthony Lapsley - (Bellator, ShoXC, KOTC, UFC)
  Lorenz Larkin - (Strikeforce, UFC, Bellator)
  Jeremy Larsen - (UFC)
  Brock Larson - (UFC, WEC, KOTC, OneFC)
  Bobby Lashley -  (Strikeforce, MFC, SFL, Bellator, Titan FC)
  Ilir Latifi - (UFC)
  Ole Laursen - (OneFC, K-1 Hero's, AOW)
  Jenel Lausa - (UFC)
  Dan Lauzon - (Affliction, UFC, WSOF)
  Joe Lauzon - (UFC)
  Cody Law - (Bellator)
  Muhammed Lawal - (Sengoku, M-1, Strikeforce, Bellator)
  Robbie Lawler - (EliteXC, IFL, KOTC, PRIDE, Strikeforce, UFC)
  Tom Lawlor - (UFC)
  Justin Lawrence -  (Strikeforce, UFC)
  Eric Lawson - (Strikeforce)
  Jani Lax - (Shooto, K-1 Hero's, M-1)
  Mounir Lazzez - (UFC)
  Cung Le - (Strikeforce, UFC)
  Thanh Le - (ONE, LFA, UFC)
  Jérôme Le Banner - (K-1, K-1 Hero's)
  Jordan Leavitt - (UFC)
  Chris Leben - (UFC, WEC)
  Mickaël Lebout - (UFC, BAMMA, CWFC, M-1)
  Claudio Ledesma - (Bellator)
  Justin Ledet - (UFC, Legacy)
  Christian Lee - (ONE)
  Kevin Lee - (UFC)
  Vaughan Lee - (UFC, CWFC, Cage Rage)
  Dave Legeno - (Cage Rage)
  Ricky Legere - (Bellator, Strikeforce, KOTC, TPF)
  Christophe Leininger - (UFC)
  Leonardo Leite - (LFA, Bellator)
  Thales Leites - (Shooto, Jungle Fight, MFC, UFC)
  Nik Lentz - (UFC)
  Anthony Leone - (Bellator, Strikeforce, WEC)
  Fabio Leopoldo - (Pancrase, IFL)
  Kimo Leopoldo - (Cage Rage, K-1, PRIDE, UFC, WFA)
  Brock Lesnar - (K-1 Hero's, UFC)
  Rafael Lovato Jr. - (Bellator)
  Justin Levens - (PFC, IFL, WEC, UFC)
  Marcus LeVesseur - (UFC, Adrenaline MMA)
  Bevon Lewis - (UFC, LFA, PFL)
  Derrick Lewis - (LFA, Bellator, UFC)
  Alfonso Leyva - (LFA)
  Jingliang Li - (UFC, Legend FC, AOW)
  Jess Liaudin - (Pancrase, KOTC, Cage Rage, UFC)
  Chuck Liddell - (UFC, PRIDE, Golden Boy)
  Jushin Thunder Liger - (Pancrase)
  Scott Lighty - (Strikeforce, ShoXC, PFC)
  Hyun Gyu Lim - (DEEP, M-1, UFC)
  Daniel Lima - (Shooto)
  Dhiego Lima - (MFC, XFC, UFC, Titan FC)
  Douglas Lima - (Bellator, MFC, KOTC)
  Rodrigo Lima - (Bellator)
  Matt Lindland - (Cage Rage, IFL, UFC, WFA, Affliction, Strikeforce, KSW)
  Jake Lindsey - (Titan FC, UFC)
  John Lineker - (UFC, Jungle Fight, Shooto)
  Austin Lingo - (UFC, LFA)
  Philipe Lins - (Bellator)
  Dean Lister - (KOTC, MFC, PRIDE, UFC)
  Abner Lloveras - (M-1, Shooto)
  Brian Lo-A-Njoe - (M-1, Pride)
  John Lober - (KOTC, UFC, Pancrase)
  Artem Lobov - (UFC, CWFC)
  David Loiseau - (EliteXC, UFC, TPF, WSOF)
  Stephen Loman - (Brave CF, OneFC)
  Hector Lombard - (Bellator, EliteXC, UFC, DEEP, PRIDE)
  Diego Lopes - (UFC)
  Benito Lopez - (UFC, Bellator)
  Fernand Lopez - (M-1, Shooto)
  Gustavo Lopez - (UFC, Bellator)
  Matthew Lopez - (UFC, KOTC, RFA)
  Brendan Loughnane - (PFL, UFC, ACB)
  Nate Loughran - (UFC, TPF, PFC)
  Ian Loveland - (UFC, KOTC, IFL, VTJ, TPF)
  Waylon Lowe - (UFC, Bellator, XFC, WSOF)
  Chris Lozano - (Bellator)
  Cleber Luciano - (Bellator)
  Duane Ludwig - (K-1, KOTC, Sengoku, Strikeforce, UFC)
  Alexandru Lungu - (PRIDE, Cage Rage, K-1)
  Vicente Luque - (UFC)
  Travis Lutter - (Cage Rage, MFC, UFC)
  Chris Lytle - (Cage Rage, Pancrase, UFC, WEC)

M
  Dong Hyun Ma - (UFC)
  John Macapá - (Bellator, Rizin, ACB, UFC)
  William Macário - (UFC)
  Jason MacDonald - (KOTC, MFC, UFC)
  Rob MacDonald - (UFC, MFC)
  Rory MacDonald - (UFC, KOTC, Bellator)
  Gustavo Machado - (Shooto, IFL, Pancrase, KOTC, DEEP, RINGS)
  Ian Machado Garry - (UFC, CWFC)
  Murad Machaev - (Bellator)
  Lyoto Machida - (NJPW, Jungle Fight, K-1, K-1 Hero's, WFA, UFC, Bellator)
  War Machine - (UFC, BAMMA, XFC, Bellator, TPF)
  Anthony Macias - (PRIDE, UFC)
  Reza Madadi - (UFC)
  Don Madge - (PFL, UFC)
  Jon Madsen - (UFC)
  Mark Madsen - (UFC, CWFC)
  Akira Maeda - (RINGS)
  Yoshiro Maeda - (Pancrase, PRIDE, WEC, DREAM, DEEP, Sengoku)
  Leonardo Mafra - (UFC)
  Caio Magalhães - (UFC, Shooto)
  Vinicius Magalhães - (Strikeforce)
  Vinny Magalhães - (M-1, UFC, Titan FC)
  Neil Magny - (UFC)
  Magomed Magomedkerimov - (PFL)
  Magomed Magomedov - (Bellator)
  Rashid Magomedov - (M-1, UFC)
  Ruslan Magomedov - (Bellator, UFC)
  Sharabutdin Magomedov - (UFC)
  Khasan Magomedsharipov - (Bellator)
  Zabit Magomedsharipov - (UFC, ACB)
  John Maguire - (BAMMA, Cage Rage, UFC, CWFC, KSW)
  Demian Maia - (UFC)
  Eduardo Maiorino - (K-1)
  Levan Makashvili - (UFC, ACB)
  John Makdessi - (UFC)
  Islam Makhachev - (UFC, M-1)
  Zach Makovsky - (ShoXC, EliteXC, DEEP, M-1, Bellator, Brave CF, UFC, ACB)
  Nazareno Malegarie - (Bellator, Jungle Fight)
  Fábio Maldonado - (UFC)
  Jacob Malkoun - (UFC)
  Mike Malott - (UFC)
  Anatoly Malykhin - (ONE)
  Nick Mamalis - (Bellator)
  Nate Maness - (UFC)
  Melvin Manhoef - (Cage Rage, K-1 Hero's, Strikeforce, DREAM, OneFC, KSW, Bellator)
  Ronnie Mann - (Bellator, Cage Rage, Sengoku, CWFC)
  Andre Mannaart - (Shooto, RINGS)
  Jimi Manuwa - (BAMMA, UFC)
  Cristiano Marcello - (UFC, PRIDE)
  Daniel Marcos - (UFC)
  Ronny Markes - (Shooto, UFC, WSOF)
  Rory Markham - (IFL, Adrenaline MMA, UFC)
  Nate Marquardt - (Pancrase, Strikeforce, UFC)
  Danilo Marques - (PFL, UFC)
  Julian Marquez - (UFC)
  Carmelo Marrero - (WEC, UFC, Bellator, XFC, IFL)
  Doug Marshall - (Bellator, SFL, WEC, PFC, TPF)
  Eliot Marshall - (UFC)
  Jack Marshman - (BAMMA, CWFC, UFC)
  Raush Manfio - (PFL, Titan FC)
  Anthony Rocco Martin - (UFC)
  Terry Martin - (Strikeforce, WEC, KOTC, Affliction, UFC, Adrenaline MMA, MFC, KSW)
  Tony Martin - (UFC)
  Alonzo Martinez - (Bellator, Adrenaline MMA, Titan FC, Strikeforce)
  Danny Martinez - (XFC, WEC, TPF, UFC)
  Henry Martinez - (Bellator, UFC)
  Jesus Martinez - (Bellator)
  Jonathan Martinez - (UFC)
  Poppies Martinez - (Bellator, WEC, PFC, TPF)
  Rad Martinez - (Bellator, KOTC)
  Roque Martinez - (UFC, Rizin, DEEP)
  Ryan Martinez - (Bellator)
  Will Martinez - (Bellator)
  Adriano Martins - (Jungle Fight, Strikeforce, UFC)
  Lucas Martins - (Jungle Fight, UFC)
  Wágner "Zuluzinho" da Conceição Martins - (K-1 Hero's, CWFC, PRIDE)
  Bristol Marunde - (UFC, Strikeforce, M-1, IFL, Titan FC)
  Travis Marx - (Bellator)
  Mike Massenzio - (UFC, IFL)
  Jameel Massouh - (Bellator, KOTC, Pancrase, WEC, Adrenaline MMA)
  Jorge Masvidal - (Bellator, Sengoku, Strikeforce, UFC)
  Michał Materla - (KSW)
  Tateki Matsuda - (UFC, Bellator, Pancrase)
  Daijiro Matsui - (KOTC, Cage Rage, PRIDE, Pancrase, DEEP, AOW)
  Mitsuo Matsumoto - (Pancrase, Shooto)
  Ryota Matsune - (Shooto)
  Naoki Matsushita - (Shooto, DEEP, Pride)
  Hiroaki Matsutani - (Shooto)
  A.J. Matthews - (Bellator, Strikeforce)
  Jake Matthews - (UFC)
  John Matua - (UFC, Strikeforce)
  Vladimir Matyushenko - (VTJ, Jungle Fight, Affliction, IFL, UFC, Bellator)
  Don'Tale Mayes - (UFC)
  Nick Maximov - (UFC, LFA)
  Gray Maynard - (UFC)
  Ricardo Mayorga - (WSOF)
  Michael McBride - (UFC, Bellator)
  Ian McCall - (WEC, TPF, UFC)
  Charles McCarthy - (KOTC, UFC)
  Sean McCorkle - (KOTC, UFC, KSW)
  Kris McCray - (UFC, Bellator, WSOF)
  Tamdan McCrory - (UFC, Bellator)
  Rob McCullough - (Bellator, WEC, DREAM, WFA, TPF)
  Justin McCully - (Pancrase, RINGS, Jungle Fight, UFC)
  Bubba McDaniel - (UFC, Bellator, ShoXC, EliteXC, KOTC)
  Michael McDonald - (UFC, WEC, PFC, TPF)
  Michael McDonald - (K-1)
  Adam McDonough - (Bellator, KOTC)
  Drew McFedries - (UFC, Shooto, Titan FC)
  Liam McGeary - (Bellator)
  Court McGee - (UFC)
  Gan McGee - (PRIDE, UFC, WEC, XFC)
  Conor McGregor - (CWFC, UFC)
  A. J. McKee - (Bellator)
  Cody McKenzie - (UFC)
  Tim McKenzie - (UFC, WEC, Pancrase, TPF)
  Terrance McKinney - (UFC)
  Garreth McLellan - (UFC)
  James McSweeney - (Cage Rage, BAMMA, UFC, OneFC)
  Tim Means - (KOTC, UFC)
  Yancy Medeiros - (UFC, Strikeforce)
  Uroš Medić - (UFC)
  Emil Weber Meek - (UFC, KSW)
  Gerald Meerschaert - (UFC, KOTC)
  Derrick Mehmen - (Adrenaline MMA, Strikeforce, Bellator, WSOF)
  Jordan Mein - (KOTC, Strikeforce, UFC)
  Brian Melancon - (UFC, Strikeforce, Bellator)
  Gilbert Melendez - (WEC, Strikeforce, UFC, Shooto, PRIDE)
  Fabio Mello - (Shooto, Jungle Fight, Bellator, PRIDE, DEEP, Titan FC, WSOF)
  Chad Mendes - (PFC, TPF, WEC, UFC)
  Alonzo Menifield - (Bellator, LFA, UFC)
  Ivan Menjivar - (UFC, IFL, KOTC, K-1 Hero's, MFC)
  Dave Menne - (Shooto, RINGS, UFC, DEEP, Cage Rage, Bellator)
  Ray Mercer - (CFFC, Adrenaline MMA)
  Bryce Meredith - (Bellator, LFA, PFL)
  Jonathan Meunier - (UFC)
  Yaotzin Meza - (UFC)
  Guy Mezger - (Pancrase, PRIDE, KOTC, UFC)
  Andreas Michailidis - (UFC, Titan FC, Bellator)
  David Michaud - (UFC, LFA, PFL)
  Thiago Michel - (Bellator)
  Taka Michinoku - (Pancrase)
  Wataru Miki - (Pancrase, Shooto, DEEP)
  Pawel "Popek" Mikołajuw - (KSW)
  Pat Miletich - (Adrenaline MMA, IFL, RINGS, UFC)
  Curtis Millender - (UFC, Bellator, PFL)
  Cole Miller - (UFC, Shooto)
  Dan Miller - (UFC, IFL)
  Henry "Sentoryu Henri" Miller - (Cage Rage, PRIDE, Pancrase, DEEP)
  Jason Miller - (UFC, Strikeforce, DREAM, WFA, WEC)
  Jim Miller - (UFC, IFL)
  Che Mills - (BAMMA, Cage Rage, M-1, UFC, CWFC)
  Adam Milstead - (UFC, KOTC)
  Alberto Mina - (UFC)
  Vitaly Minakov - (M-1, Bellator)
  Darrick Minner - (UFC, LFA)
  Ikuhisa Minowa - (DREAM, K-1 Hero's, Pancrase, PRIDE, DEEP, SFL)
  Stipe Miocic - (UFC)
  Frank Mir - (UFC)
  Vitor Miranda - (Shooto, K-1, UFC)
  Rasul Mirzaev
  Kazuo Misaki - (PRIDE, Sengoku, Pancrase, DEEP, Strikeforce)
  Dokonjonosuke Mishima - (Shooto, PRIDE, UFC, DEEP)
  Bryce Mitchell - (UFC)
  Danny Mitchell - (UFC, Bellator, ACB, CWFC, BAMMA)
  David Mitchell - (UFC, TPF)
  Roman Mitichyan - (UFC)
  Matt Mitrione - (UFC, Bellator)
  Eiji Mitsuoka - (KOTC, PRIDE, DEEP, Shooto, Sengoku, DREAM, UFC)
  Hiromitsu Miura - (Pancrase, K-1 Hero's, WEC, DEEP)
  Patchy Mix - (Bellator)
  Takeshi Miyanaga - (Shooto)
  Kazuyuki Miyata - (DREAM, K-1, K-1 Hero's, DEEP, RINGS)
  Takeya Mizugaki - (Shooto, WEC, UFC, ACB)
  Eiji Mizuno - (Shooto)
  Tatsuya Mizuno - (K-1, Pancrase, M-1, DREAM, OneFC)
  Steve Mocco - (WSOF)
  Bobby Moffett - (UFC, PFL, LFA)
  Mohsen Mohammadseifi - (Brave CF, PFL)
  Nate Mohr - (UFC, KOTC)
  Renato Moicano - (UFC)
  Thiago Moisés - (UFC)
  Muhammad Mokaev - (UFC, Brave CF)
  Ashkan Mokhtarian - (UFC)
  Mikhail Mokhnatkin - (ACB, PFL)
  Valentin Moldavsky - (PFL, Bellator)
  Jeff Molina - (UFC, LFA)
  Hidetaka Monma - (RINGS, Pancrase, DEEP, K-1 Hero's, DREAM)
  Jeff Monson - (UFC, Strikeforce, PRIDE, DREAM, M-1, Sengoku, CWFC)
  Darrell Montague - (VTJ, TPF, UFC)
  Augusto Montaño - (UFC, Jungle Fight)
  James Moontasri - (UFC)
  Homer Moore - (IFL, WEC, UFC)
  Karl Moore - (Bellator)
  Nate Moore - (Strikeforce)
  Albert Morales - (UFC, Bellator, WSOF, BAMMA)
  Joseph Morales - (UFC, CWFC, WSOF)
  Adriano Moraes - (ONE, Shooto)
  Marlon Moraes - (WSOF, XFC)
  Michael Morales - (UFC)
  Sergio Moraes - (Jungle Fight, Bellator, UFC)
  Sheymon Moraes - (UFC, PFL, WSOF)
  John Moraga - (UFC)
  Ricardo Morais - (RINGS, PRIDE, Jungle Fight)
  Omar Morales - (UFC)
  Vince Morales - (UFC, Bellator, KOTC)
  Christian Morecraft - (UFC)
  Joe Moreira - (UFC)
  Vinicius Moreira - (UFC, Jungle Fight)
  Brandon Moreno - (UFC)
  Sammy Morgan - (UFC, Shooto, Strikeforce, ShoXC, KOTC)
  Remigijus Morkevicius - (Shooto, K-1 Hero's)
  Alex Morono - (UFC, LFA)
  Sergey Morozov - (UFC, M-1)
  Anthony Morrison - (Bellator, Cage Fury, WEC)
  Tommy Morrison (†) 
  Johnnie Morton - (K-1 Hero's)
  Harry Moskowitz - (UFC)
  Robson Moura - (Shooto)
  Gegard Mousasi - (Strikeforce, DREAM, DEEP, MFC, Pride, K-1, CWFC, UFC, Bellator)
  Dan Movahedi - (BAMMA, Cage Rage)
  Kin Moy - (Bellator)
  Christian M'Pumbu - (Bellator, DEEP, KSW, M-1)
  Su Mudaerji - (UFC)
  Belal Muhammad - (Bellator, UFC)
  Mike Mucitelli - (Bellator)
  Quinn Mulhern - (UFC, KOTC, Strikeforce)
  Jamie Mullarkey - (UFC)
  Pedro Munhoz - (UFC)
  André Muniz - (UFC)
  Mark Muñoz - (PFC, WEC, UFC)
  Johnny Muñoz Jr. - (UFC)
  Andy Murad - (Bellator, KOTC)
  Takaharu Murahama - (Shooto, DEEP)
  Kazunari Murakami - (Pride, Jungle Fight)
  Ryuichi Murata - (DEEP, Pride)
  Akihiro Murayama - (Pancrase, Shooto)
  Shinya Murofushi - (Shooto)
  Lerone Murphy - (UFC)
  Lee Murray - (Cage Rage, UFC)
  Azamat Murzakanov - (UFC, ACB)
  Shamil Musaev - (PFL)
  Tofiq Musayev - (Rizin, Bellator)
  Nico Musoke - (UFC)
  Magomed Mustafaev - (UFC, M-1)
  Elvis Mutapčić - (UFC, MFC, ACB, WSOF, SF)

N
  Yuichiro Nagashima - (Pancrase, Rizin)
  Katsuhiko Nagata - (K-1, K-1 Hero's, Pancrase, DREAM)
  Yuji Nagata
  Yoshitaka Naito (Shooto, ONE) 
  Andrews Nakahara - (K-1, DREAM)
  Yuki Nakai - (VTJ, Shooto)
  Takashi Nakakura - (Shooto)
  Daisuke Nakamura - (PRIDE, Strikeforce, M-1, Cage Rage, DREAM, DEEP, K-1 Hero's)
  Hiroshi Nakamura - (Bellator, DEEP, Shooto)
  Kazuhiro Nakamura - (PRIDE, UFC, Sengoku, DREAM, DEEP)
  Keita Nakamura - (Shooto, UFC, DREAM, Sengoku, VTJ, DEEP)
  Rinya Nakamura - (UFC)
  Shinsuke Nakamura - (K-1, Jungle Fight)
  Jutaro Nakao - (DEEP, PRIDE, UFC, Shooto)
  Yoshihiro Nakao - (K-1, K-1 Hero's, PRIDE, Sengoku)
  Takumi Nakayama - (Shooto, KOTC, DEEP, Pancrase, VTJ)
  Muhammad Naimov - (UFC)
  Tyson Nam - (EliteXC, Shooto, KOTC, Bellator, WSOF)
  Yui Chul Nam - (UFC, M-1)
  Yasuhito Namekawa - (PRIDE, RINGS, DEEP)
  Yodsanan Sor Nanthachai - (OneFC)
  Jadamba Narantungalag - (Sengoku, K-1, AOW, OneFC)
  Antz Nansen - (Sengoku)
  Nad Narimani - (UFC, CWFC)
  Tomasz Narkun - (M-1, KSW)
  Masayuki Naruse - (Pancrase, Jungle Fight, K-1, RINGS)
  Roger Narvaez - (UFC)
  Ismail Naurdiev - (UFC)
  Rodrigo Nascimento - (UFC)
  Bobby Nash - (UFC, Bellator, XFC)
  Tenshin Nasukawa (Rizin)
  Pawel Nastula - (PRIDE, KSW, Sengoku)
  Timofey Nastyukhin - (ONE, ACB)
  Rafael Natal - (UFC)
  Marcio Navarro - (Bellator, Titan FC, KOTC)
  Renê Nazare - (Bellator)
  Tafon Nchukwi - (UFC, CFFC)
  Dustin Neace - (UFC, Bellator, Strikeforce)
  Geoff Neal - (UFC)
  Stanislav Nedkov - (Shooto, Pancrase, Sengoku, UFC)
  Josh Neer - (UFC, Bellator, IFL)
  Nicolae Negumereanu - (UFC)
  Steve Nelmark - (UFC)
  Gunnar Nelson - (UFC, BAMMA, Cage Contender)
  Kyle Nelson - (UFC)
  Roy Nelson - (IFL, EliteXC, UFC)
  Shane Nelson - (UFC, Shooto, MFC)
  Vadim Nemkov - (Bellator)
  Viktor Nemkov - (M-1)
  Antonio Braga Neto - (UFC, Sengoku, AOW)
  Nick Newell - (XFC, WSOF)
  Journey Newson - (UFC)
  Carlos Newton - (VTJ, Shooto, PRIDE, UFC, IFL, K-1 Hero's)
  Emanuel Newton - (Bellator, MFC, IFL, KOTC, WEC)
  Alain Ngalani - (OneFC)
  Francis Ngannou - (UFC, PFL)
  Ben Nguyen - (UFC)
  Martin Nguyen - (ONE)
  Alex Nicholson - (UFC, Legacy)
  Matheus Nicolau - (UFC, Shooto)
  Bo Nickal - (UFC)
  Tom Niinimäki - (Shooto, CWFC, Titan FC, UFC)
  Ramsey Nijem - (UFC)
  Hans Nijman - (RINGS, PRIDE)
  Mats Nilsson - (Shooto, CWFC, UFC)
  Guangyou Ning - (UFC, AOW)
  Yosuke Nishijima - (PRIDE, K-1)
  Akiyo Nishiura - (DEEP, Shooto, DREAM, VTJ)
  Takashi Nishizawa - (Shooto)
  Anthony Njokuani - (WEC, UFC)
  Chidi Njokuani - (UFC)
  Jacob Noe - (Bellator, Strikeforce)
  Alexandre Franca Nogueira - (K-1 Hero's, Shooto, WEC, VTJ)
  Antônio Rodrigo Nogueira - (UFC, PRIDE, RINGS, Affliction, Jungle Fight, Sengoku, DEEP)
  Luis Nogueira - (Shooto, Bellator)
  Kyle Noke - (UFC, EliteXC)
  Kimihito Nonaka - (Shooto)
  K. J. Noons - (EliteXC, ShoXC, DREAM, Strikeforce, UFC)
  Sage Northcutt - (Legacy, UFC)
  Jan Nortje - (K-1, K-1 Hero's, PRIDE, DREAM, Strikeforce)
  Phillipe Nover - (Combat Zone, UFC, Bellator)
  Shayilan Nuerdanbieke - (UFC)
  Diego Nunes - (UFC, WEC, Shooto, Bellator)
  Abubakar Nurmagomedov - (UFC)
  Khabib Nurmagomedov - (UFC, M-1)
  Said Nurmagomedov - (UFC, ACB)
  Umar Nurmagomedov - (UFC)
  Usman Nurmagomedov - (Bellator)
  Kennedy Nzechukwu - (UFC)

O
  Jake O'Brien - (UFC, DREAM, WEC)
  Sean O'Connell - (MFC, UFC)
  Brendan O'Reilly - (UFC)
  Tristan Connelly - (UFC)
  Volkan Oezdemir - (Bellator, UFC, Shooto)
  Haruo Ochi - (Shooto, DEEP, Rizin)
  Naoya Ogawa - (PRIDE)
  Andy Ogle - (UFC)
  Carl Ognibene - (PRIDE)
  Tomonori Ohara - (Shooto)
  Kenji Ogusu - (Shooto)
  Sean O'Haire - (K-1, K-1 Hero's, PRIDE)
  Michiyoshi Ohara - (PRIDE)
  Masahiro Oishi - (DEEP, Pancrase, Shooto)
  Ok Rae-yoon - (ONE)
  Takayuki "Giant Ochiai" Okada - (PRIDE, KOTC, DEEP)
  Yushin Okami - (K-1 Hero's, Pancrase, M-1, PRIDE, UFC, WSOF)
  Koetsu Okazaki - (Shooto, OneFC)
  Mamoru Okochi - (Shooto)
  Takayuki Okochi - (Shooto)
  Yasunori Okuda - (Shooto)
  Taisuke Okuno - (Shooto, Sengoku, DEEP)
  Alexey Oleinik - (M-1, KSW, Bellator, UFC, YAMMA)
  Alex Oliveira - (UFC)
  Charles Oliveira - (UFC, Jungle Fight)
  Rafaello Oliveira - (UFC, ShoXC, XFC)
  Jordan Oliver - (Bellator, PFL)
  Bobby Ologun - (K-1, K-1 Hero's)
  Andy Ologun - (K-1, K-1 Hero's, DREAM)
  Brian Olsen - (WEC)
  Casey Olson - (WEC, PFC, Strikeforce, TPF)
  Sean O'Malley - (UFC, LFA)
  Daniel Omielańczuk - (UFC, KSW)
  Michihiro Omigawa - (Cage Rage, DEEP, PRIDE, Shooto, Sengoku, UFC, DREAM)
  Masaya Onodera - (Shooto)
  Sam Oropeza - (Bellator, Strikeforce)
  Brian Ortega - (UFC)
  Dustin Ortiz - (UFC, Strikeforce, TPF, KOTC)
  Jorge Ortiz - (Bellator, Strikeforce, Shooto, KOTC)
  Tito Ortiz - (UFC, Bellator)
  Kenji Osawa - (DREAM, WEC, Shooto, VTJ)
  Shigeki Osawa - (Sengoku, RINGS, Shooto, Pancrase, VTJ)
  Ode' Osbourne - (UFC)
  Nick Osipczak - (UFC)
  Alexander Otsuka - (KOTC, PRIDE, RINGS)
  Isamu Osugi - (Shooto)
  Shinobu Ota - (Rizin)
  Zak Ottow - (UFC, RFA, KOTC)
  Reda Oudgou - (M-1)
  Hiromasa Ougikubo - (Shooto, Rizin)
  Sidney Outlaw - (Bellator, Titan FC, WSOF)
  Alistair Overeem - (K-1, K-1 Hero's, RINGS, PRIDE, Strikeforce, DREAM, UFC)
  Valentijn Overeem - (K-1, K-1 Hero's, M-1, KSW, RINGS, PRIDE, Pancrase, WFA, Sengoku, Strikeforce)
  Shungo Oyama - (K-1 Hero's, KOTC, PRIDE, Pancrase, DREAM, RINGS)
  Alptekin Özkiliç - (UFC)

P
  Nick Pace - (UFC, WEC, Bellator)
  Joe Pacheco - (Bellator)
  Joshua Pacio - (ONE)
  Damacio Page - (UFC, WEC, K-1 Hero's, Pancrase, KOTC)
  Michael Page - (Bellator, SFL)
  Dustin Pague - (UFC)
  Fredson Paixão - (Jungle Fight, Pancrase, DEEP, WEC, UFC)
  Teemu Packalen - (UFC)
  Raulian Paiva - (UFC)
  Bart Palaszewski - (IFL, Adrenaline MMA, KOTC, Shooto, WEC, UFC)
  Sasha Palatnikov - (UFC)
  Soa Palelei - (UFC, KOTC, PRIDE, Shooto)
  Rousimar Palhares - (UFC, WSOF)
  Lance Palmer - (ACB, PFL, WSOF)
  Luis Palomino - (XFC, Bellator, WSOF)
  Alexandre Pantoja - (UFC, RFA, Shooto)
  Norman Paraisy - (CWFC, Bellator, M-1)
  Remco Pardoel - (RINGS, Pancrase, Shooto, UFC)
  Ido Pariente - (K-1 Hero's)
  Josh Parisian - (LFA, KOTC)
  Karo Parisyan - (KOTC, UFC, WEC, Bellator)
  Jun Yong Park - (UFC)
  Norman Parke - (UFC)
  Mick Parkin - (UFC)
  Mikkel Parlo - (Bellator)
  Jorge Patino - (PRIDE, UFC, Jungle Fight, Strikeforce, WSOF)
  Alan Patrick - (Jungle Fight, UFC)
  Claude Patrick - (UFC, IFL, KOTC)
  Erik Paulson - (VTJ, Shooto)
  Sergei Pavlovich - (UFC)
  Paweł Pawlak - (KSW, UFC)
  Jonathan Pearce - (UFC)
  Ross Pearson - (UFC, CWFC)
  André Pederneiras - (UFC, VTJ)
  Carlo Pedersoli Jr. - (UFC, Bellator, CWFC)
  Tyson Pedro - (UFC)
  Willie Peeters - (Pride, RINGS)
  Eric Pele - (RINGS, KOTC, MFC)
  Kurt Pellegrino - (UFC, WEC, Bellator, Pancrase)
  Luis Peña - (UFC)
  Sherman Pendergarst - (UFC)
  Cathal Pendred - (CWFC, UFC)
  B.J. Penn - (K-1, K-1 Hero's, UFC)
  Godofredo Pepey - (UFC)
  Robbie Peralta - (UFC, Strikeforce)
  Alex Pereira - (UFC)
  Michel Pereira - (UFC)
  Alejandro Pérez - (UFC)
  Alex Perez - (UFC, KOTC, TPF)
  Érik Pérez - (WEC, UFC, BAMMA)
  Frankie Perez - (UFC, WSOF)
  Markus Perez - (UFC, LFA, Jungle Fight)
  Anthony Perosh - (UFC, Shooto)
  Hernani Perpetuo - (ONE, UFC, Shooto)
  Thiago Perpétuo - (UFC, Jungle Fight)
  Mike Perry - (UFC)
  Raphael Pessoa - (UFC, LFA, ACB)
  Viktor Pešta - (UFC)
  Steven Peterson - (UFC, LFA, Bellator)
  Vitor Petrino - (UFC)
  Andre Petroski - (UFC)
  Armen Petrosyan - (UFC)
  Seth Petruzelli - (KOTC, UFC, EliteXC, WEC, BAMMA, Bellator)
  Anthony Pettis - (WEC, UFC)
  Sergio Pettis - (RFA, UFC)
  Forrest Petz - (UFC, KOTC, Adrenaline MMA)
  Cody Pfister - (UFC, Bellator, KOTC)
  Nam Phan - (K-1 Hero's, KOTC, Strikeforce, Sengoku, WEC, UFC, TPF)
  Costas Philippou - (UFC)
  Aaron Phillips - (UFC)
  John Phillips - (UFC, BAMMA, CWFC, Cage Rage)
  Kyler Phillips - (UFC)
  Nick Piccininni
  Adam Piccolotti - (Bellator)
  Vinc Pichel - (UFC)
  Brad Pickett - (Cage Rage, K-1 Hero's, WEC, UFC)
  Jamie Pickett - (UFC)
  Aaron Pico - (Bellator)
  Oskar Piechota - (UFC, CWFC)
  Mike Pierce - (WEC, UFC)
  Sean Pierson - (UFC)
  Domingo Pilarte - (UFC, LFA)
  Paddy Pimblett - (UFC, CWFC)
  Daniel Pineda - (UFC, Bellator, EliteXC)
  Jesus Pinedo - (PFL, UFC)
  Patricio Pitbull - (Bellator)
  Patricky Pitbull - (Bellator)
  Maki Pitolo - (UFC, Bellator)
  Craig Pittman - (VTJ)
  Mike Plotcheck - (PRIDE)
  Dustin Poirier - (WEC, UFC)
  Ross Pointon - (UFC)
  Igor Pokrajac - (UFC, Jungle Fight, K-1, KSW)
  Mike Polchlopek
  Marco Polo Reyes - (UFC)
  Santiago Ponzinibbio - (UFC)
  Oleg Popov - (PFL)
  Parker Porter - (UFC, Bellator)
  Callan Potter - (UFC)
  Ruan Potts - (UFC)
  Devin Powell - (UFC, Bellator, WSOF)
  Marcin Prachnio - (UFC, ONE)
  Wagner Prado - (UFC, KSW)
  Trevor Prangley - (MFC, Strikeforce, UFC, KOTC, Bellator, DREAM, SFL)
  Carlo Prater - (MFC, PFC, VTJ, WEC, UFC)
  Carlos Prates - (UFC, LFA, ONE)
  Michel Prazeres - (UFC, Jungle Fight, Shooto)
  Kyle Prepolec - (UFC, Bellator)
  Niko Price - (UFC)
  Brent Primus - (Bellator)
  Eric Prindle - (Bellator)
  Joe Proctor - (UFC)
  Jiří Procházka - (UFC, Rizin)
  Bruno Pucci - (OneFC)
  Daniel Puder - (Strikeforce)
  Mariusz Pudzianowski - (KSW)
  Claudio Puelles - (UFC)
  Jens Pulver - (IFL, PRIDE, Shooto, UFC, WEC, OneFC, Titan FC)
  CM Punk - (UFC)
  Joe Pyfer - (UFC)
  Mike Pyle - (EliteXC, IFL, Strikeforce, Affliction, MFC, Shooto, WEC, UFC)

Q
  Aori Qileng - (UFC)
  Bao Quach - (Strikeforce, ShoXC, WEC, KOTC, Shooto, Affliction, Bellator, M-1)
  Billy Quarantillo - (UFC)
  Nathan Quarry - (KOTC, UFC)
  Josh Quayhagen - (Bellator, LFA)
  Peter Queally - (Bellator, CWFC, BAMMA)
  Vinicius Queiroz - (UFC, Bellator)
  Dan Quinn
  Ryan Quinn - (Bellator, Titan FC)
  José Alberto Quiñónez - (UFC)
R
  Gadzhi Rabadanov - (PFL)
  Benji Radach - (UFC, Strikeforce, IFL, WEC, KOTC, EliteXC, MFC, Bellator)
  Jordan Radev - (UFC, BAMMA, M-1, RINGS, KSW)
  Ricky Rainey - (XFC, Bellator)
  Shavkat Rakhmonov - (UFC)
  Aleksandar Rakić - (UFC)
  Davi Ramos - (UFC, Bellator, ACB)
  Luis Ramos - (Shooto, DEEP, UFC)
  Ricardo Ramos - (LFA, UFC)
  Kevin Randleman (†) - (PRIDE, UFC, Sengoku, Strikeforce)
  Ed Ratcliff - (WEC)
  Gideon Ray - (UFC, IFL, KOTC)
  Stevie Ray - (UFC, PFL, CWFC, BAMMA)
  Levan Razmadze - (DEEP)
  Rafael Rebello - (WEC)
  J. P. Reese - (Bellator, XFC)
  Alex Reid - (Pancrase, Cage Rage, BAMMA)
  Jason Reinhardt - (UFC, KOTC)
  Wilson Reis - (Bellator, ShoXC, CWFC, UFC)
  Ben Reiter - (Bellator)
  Goran Reljić - (UFC, KSW)
  Chance Rencountre - (UFC, Bellator)
  Dominick Reyes - (UFC, LFC, KOTC)
  Yahir Reyes - (Bellator)
  Eric Reynolds - (Bellator, XFC)
  Mike Rhodes - (UFC, Bellator, ACB, LFA, CFFC)
  Alexandre Ribeiro - (Sengoku)
  Saulo Ribeiro
  Vítor Ribeiro - (WFA, Shooto, Cage Rage, K-1 Hero's, DREAM, Strikeforce)
  Will Ribeiro - (WEC, Shooto)
  Francesco Ricchi
  Mike Ricci - (Bellator, UFC, Titan FC)
  Matt Ricehouse - (Strikeforce)
  Mike Richman - (Bellator)
  David Rickels - (Bellator)
  Brad Riddell - (UFC)
  Matt Riddle - (Bellator, UFC, Titan FC)
  Jeremiah Riggs - (Bellator, Strikeforce)
  Joe Riggs - (K-1, UFC, WEC, Strikeforce, BFC)
  Aaron Riley - (UFC, PRIDE, IFL, Shooto)
  Jordan Rinaldi - (UFC)
  Nick Ring - (Bellator, DEEP, UFC)
  Mike Rio - (UFC)
  Shannon Ritch - (PRIDE, WEC, MFC, KOTC, Pancrase, MFC)
  Diego Rivas - (UFC)
  Dante Rivera - (UFC, Bellator, IFL)
  Francisco Rivera - (UFC, WEC, TPF)
  Irwin Rivera - (UFC, Titan FC)
  Jerome Rivera - (UFC, LFA)
  Jimmie Rivera - (KOTC, Bellator, WSOF, Cage Rage)
  Jorge Rivera - (UFC, Cage Rage, CWFC, UFC)
  Pedro Rizzo - (PRIDE, UFC, Affliction, M-1)
  Karl Roberson - (UFC)
  Andre Roberts - (UFC, WEC)
  Daniel Roberts - (UFC, Titan FC)
  Danny Roberts - (CWFC, UFC)
  Roosevelt Roberts - (UFC)
  Ryan Roberts - (UFC, Bellator)
  Kenny Robertson - (UFC, Bellator, Cage Rage)
  Alvin Robinson - (UFC, Bellator, Titan FC)
  Carlos Eduardo Rocha - (UFC)
  Vagner Rocha - (Bellator, Strikeforce, UFC)
  Luke Rockhold - (Strikeforce, UFC)
  Kevin Roddy - (Bellator, Strikeforce, M-1)
  Jose "Dos Caras, Jr." Rodríguez - (DEEP, PRIDE)
  Daniel Rodriguez - (UFC)
  Gregory Rodrigues - (UFC, LFA)
  Mike Rodríguez - (UFC)
  Ricco Rodriguez - (KOTC, PRIDE, UFC, WEC, WFA, IFL, EliteXC, BAMMA, Bellator, YAMMA)
  Yair Rodríguez - (UFC)
  Marcos Rogério de Lima - (UFC, Strikeforce, Shooto)
  Brett Rogers - (Bellator, Strikeforce, EliteXC, Titan FC)
  Brian Rogers - (Bellator, Strikeforce)
  Shane Roller - (WEC, UFC)
  Jared Rollins - (UFC, KOTC)
  Alexander Romanov - (UFC)
  Ricardo Romero - (UFC)
  Yoel Romero - (UFC, Strikeforce)
  Fan Rong - (ONE)
  Jesse Ronson - (UFC)
  George Roop - (WEC, UFC)
  Rick Rootlieb - (M-1)
  Rene Rooze - (K-1, VTJ)
  João Roque - (DEEP, Shooto, VTJ, UFC, WFA)
  Aaron Rosa - (UFC, ShoXC, Adrenaline MMA, Strikeforce, Bellator, Titan FC)
  Charles Rosa - (UFC)
  Raul Rosas Jr. - (UFC)
  Jake Rosholt - (UFC, WEC, Bellator, Titan FC)
  Jared Rosholt - (UFC, Titan FC, WSOF)
  Kevin Rosier - (UFC)
  Ben Rothwell - (M-1, KOTC, IFL, Adrenaline MMA, Affliction, UFC)
  Rick Roufus - (Strikeforce)
  Khalil Rountree Jr. - (UFC, RFA)
  Brandon Royval - (UFC)
  Chad "Akebono" Rowan - (K-1 Hero's)
  Philip Rowe - (UFC)
  Jairzinho Rozenstruik - (UFC)
  Mauricio Rua - (PRIDE, UFC)
  Murilo Rua - (Cage Rage, EliteXC, Strikeforce, PRIDE, DREAM, BAMMA, Shooto)
  Marco Ruas - (IFL, PRIDE, UFC)
  Vladyslav Rudnev - (Brave CF, Rizin)
  Gabe Ruediger - (WEC, UFC, PFC)
  Maurício Ruffy - (UFC)
  Anthony Ruiz - (KOTC, WEC, EliteXC, Strikeforce, ShoXC, PFC, TPF)
  Kade Ruotolo - (ONE)
  Mike Russow - (UFC, PRIDE, Adrenaline MMA)
  Ed Ruth - (Bellator)
  Bas Rutten - (Pancrase, UFC, WFA)
  Nursulton Ruziboev - (UFC)

S
  Danny Sabatello - (Bellator)
  Pat Sabatini - (UFC)
  Amir Sadollah - (UFC)
  Frankie Saenz - (KOTC, UFC)
  Saparbek Safarov - (UFC, M-1)
  Tarec Saffiedine - (Shooto, DREAM, Strikeforce, UFC)
  Cameron Saaiman - (UFC)
  Benoît Saint Denis - (UFC)
  Jason Saggo - (UFC)
  Tomoyuki Saito - (Shooto)
  Yukio Sakaguchi - (Pancrase, Shooto, DREAM, Sengoku)
  Augusto Sakai - (UFC, Bellator)
  Kazuhiro Sakamoto - (Shooto)
  Mitsuhiro Sakamoto - (Shooto)
  Alessio Sakara - (CWFC, MFC, Jungle Fight, UFC, Bellator)
  Wataru Sakata - (PRIDE, RINGS)
  Gökhan Saki - (UFC)
  Kazushi Sakuraba - (K-1 Hero's, PRIDE, UFC, DREAM)
  Naoki Sakurada - (Shooto, VTJ)
  Hayato Sakurai - (VTJ, DEEP, PRIDE, Shooto, UFC, DREAM)
  Ryuta Sakurai - (DEEP, Pancrase, KSW, PRIDE, Shooto)
  Justin Salas - (UFC)
  Ivan Salaverry - (K-1, Shooto, UFC, WFA, BAMMA)
  Marcello Salazar - (IFL)
  Roman Salazar - (UFC, Bellator, LFA)
  Muslim Salikhov - (UFC)
  Sean Salmon - (UFC, Strikeforce, KOTC)
  John Salter - (UFC, XFC, Adrenaline MMA, KOTC)
  Dylan Salvador - (PFL, EFC, Titan FC)
  Zabit Samedov
  Josh Samman - (UFC, XFC)
  Josh Sampo - (UFC)
  Jason Sampson - (Bellator)
  Andrew Sanchez - (UFC, RFA)
  Angelo Sanchez - (KOTC, Bellator)
  Diego Sanchez - (KOTC, UFC)
  Donald Sanchez - (ACB, Bellator, KOTC)
  Eddie Sanchez - (KOTC, UFC, Bellator, Titan FC)
  Emmanuel Sanchez - (Bellator)
  Roberto Sanchez - (UFC, LFA, LFC)
  Jerrod Sanders - (UFC, Bellator, KOTC, WSOF)
  Luke Sanders - (UFC, Strikeforce)
  Cory Sandhagen - (UFC)
  Hector Sandoval - (UFC, TPF)
  Marlon Sandro - (Bellator, Sengoku, Pancrase, Shooto)
  Chris Sanford - (UFC, WEC)
  Naoki Sano - (Pancrase, PRIDE)
  Giva Santana - (Bellator, ShoXC, TPF)
  Jorge Santiago - (UFC, Strikeforce, Sengoku, KOTC, Titan FC, WSOF)
  Mike Santiago - (UFC)
  Bruno Santos - (Bellator, UFC)
  Evangelista Santos - (Strikeforce, Sengoku, PRIDE, Cage Rage, Jungle Fight, Pancrase)
  Iliarde Santos - (UFC, Jungle Fight)
  Leonardo Santos - (Shooto, Sengoku, CWFC, BAMMA, UFC)
  Luis Santos - (WEC, Bellator, XFC)
  Thiago Santos - (UFC)
  Thiago Santos - (Bellator)
  Bob Sapp - (K-1, K-1 Hero's, PRIDE, DREAM, SFL, OneFC, KSW)
  Eko Roni Saputra - (ONE)
  Daniel Sarafian - (Bellator, UFC)
  Jeka Saragih - (UFC)
  Alexander Sarnavskiy - (Bellator, M-1)
  Yosuke Saruta - (ONE, Shooto)
  Ulka Sasaki - (UFC, DEEP, Shooto, Rizin)
  Yuki Sasaki - (PRIDE, Sengoku, Pancrase, UFC, Shooto, DEEP)
  Yuta Sasaki - (Shooto, VTJ, DEEP, UFC)
  Malaipet Sasiprapa - (KOTC, ShoXC)
  Paul Sass - (Bellator, UFC)
  Masaaki Satake - (PRIDE)
  Hikaru Sato - (Pancrase, DEEP)
  Rumina Sato - (Shooto, VTJ)
  Takashi Sato - (UFC)
  Takenori Sato - (Sengoku, DEEP, Pancrase, K-1 Hero's, UFC)
  Ben Saunders - (UFC, Titan FC, Bellator)
  Chris Saunders - (UFC, Bellator)
  Townsend Saunders - (UFC)
  Kenichi Sawada - (Shooto, Pancrase)
  Irshaad Sayed - (OneFC)
  Matt Sayles - (UFC)
  Eric Schafer - (UFC)
  Kerry Schall - (RINGS, UFC, Adrenaline MMA, ShoXC)
  Eric Schambari - (WEC, Bellator)
  Brendan Schaub - (UFC)
  Nino Schembri - (PRIDE, Cage Rage)
  Fabiano Scherner - (Jungle Fight, UFC, Cage Rage, IFL)
  Joe Schilling - (ShoXC, Bellator)
  Semmy Schilt - (Pancrase, RINGS, UFC, PRIDE, K-1 Hero's)
  Adam Schindler - (Bellator, Strikeforce)
  Matt Schnell - (LFC, UFC)
  Bob Schrijber - (RINGS, PRIDE, M-1)
  Natan Schulte - (PFL)
  Mark Schultz - (UFC, Jungle Fight)
  Ryan Schultz - (WEC, IFL, Sengoku)
  Justin Scoggins - (UFC)
  Brad Scott - (UFC)
  Mike Seal - (KOTC, Strikeforce, Bellator)
  Neil Seery - (UFC, Cage Rage, CWFC, BAMMA)
  Ray Sefo - (K-1 Hero's, Strikeforce, WSOF)
  Rony Sefo - (PRIDE)
  Yasuto Sekishima - (Shooto)
  Pete Sell - (UFC)
  Gzim Selmani - (BAMMA, Bellator)
  Matthew Semelsberger - (UFC)
  Andrei Semenov - (M-1, PRIDE, UFC)
  Mackens Semerzier - (UFC, WEC)
  Alex Serdyukov - (WEC)
  Matt Serra - (UFC)
  Fredy Serrano - (UFC)
  Carl Seumanutafa - (PFL, Bellator, EliteXC, ShoXC, Strikeforce)
  Dan Severn - (KOTC, VTJ, PRIDE, UFC, WEC, MFC)
  Alexandr Shabliy - (Bellator, ACB, Kunlun)
  Edmen Shahbazyan - (UFC)
  Kamal Shalorus - (UFC, WEC, OneFC)
  Shahbulat Shamhalaev - (Bellator, M-1)
  Frank Shamrock - (K-1, Pancrase, VTJ, Strikeforce, UFC, WEC)
  Ken Shamrock - (Pancrase, PRIDE, UFC, KOTC)
  Eric Shelton - (UFC, RFA)
  Sean Sherk - (KOTC, PRIDE, UFC)
  Chase Sherman - (UFC, Titan FC)
  Katsuyori Shibata - (K-1, DEEP, DREAM, K-1 Hero's, Jungle Fight)
  Jake Shields - (EliteXC, Pancrase, Shooto, K-1 Hero's, Strikeforce, UFC, WSOF)
  Suguru Shigeno - (Shooto)
  Kiyotaka Shimizu - (Shooto, Pancrase, DEEP)
  Shunichi Shimizu - (UFC, Pancrase, DEEP)
  Yuya Shirai - (DEEP, DREAM, BAMMA, Pancrase, OneFC, M-1)
  Wes Shivers - (KOTC, Strikeforce, ShoXC)
  Alexander Shlemenko - (Bellator, SFL, ShoXC, Jungle Fight, M-1)
  Josh Shockley - (UFC, Bellator)
  Akira Shoji - (Cage Rage, DEEP, KOTC, Pancrase, PRIDE)
  Jack Shore - (UFC)
  Yuki Shoujou - (Shooto)
  Wakashoyo Shunichi - (K-1 Hero's, DEEP)
  Sam Sicilia - (UFC, Bellator)
  Steven Siler - (UFC, TPF)
  Siala-Mou "Mighty Mo" Siliga - (K-1 Hero's, Bellator)
  Alex Silva - (ONE)
  Anderson Silva - (Cage Rage, PRIDE, Shooto, UFC)
  Antônio Silva - (K-1 Hero's, EliteXC, CWFC, Sengoku, Strikeforce, UFC)
  Assuério Silva - (Pancrase, Jungle Fight, UFC, PRIDE)
  Bruno Silva - (UFC)
  Cláudio Silva - (BAMMA, SFL, UFC)
  Douglas Silva de Andrade - (UFC)
  Fabrício Andrade - (ONE)
  Erick Silva - (Jungle Fight, UFC)
  Felipe Silva - (UFC, Brave)
  Jay Silva - (UFC, KSW, Bellator, MFC, TPF)
  Jean Silva - (UFC)
  Joaquim Silva - (UFC)
  Paulo "Giant" Silva - (K-1 Hero's, PRIDE)
  Rafael Silva - (Bellator)
  Thiago Silva - (Pancrase, Shooto, UFC, WSOF)
  Wanderlei Silva - (PRIDE, UFC)
  Elias Silvério - (UFC, Jungle Fight)
  Ricky Simón - (UFC)
  Aaron Simpson - (UFC, WEC, WSOF)
  Heath Sims - (Pancrase)
  Tony Sims - (UFC)
  Wes Sims - (K-1, IFL, Strikeforce, WEC, UFC)
  Lodune Sincaid - (WEC, UFC, WFA, PFC)
  Rory Singer - (PRIDE, KOTC, UFC, MFC)
  Jaideep Singh - (Rizin)
  Elvis Sinosic - (Cage Rage, Pancrase, UFC, K-1, RINGS)
  Dennis Siver - (UFC, CWFC)
  Chas Skelly - (UFC, Bellator)
  Matt Skelton - (PRIDE)
  Shanon Slack - (Bellator)
  Ray Sloan - (Bellator)
  Paul Slowinski - (KSW)
  Kestutis Smirnovas - (RINGS, PRIDE, Shooto, K-1, K-1 Hero's)
  Anthony Smith - (Strikeforce, UFC, Bellator)
  Cole Smith - (UFC)
  Colton Smith - (M-1, UFC)
  David Smith - (Strikeforce)
  Devonte Smith - (UFC)
  Jordan Smith - (Bellator)
  Maurice Smith - (IFL, Pancrase, PRIDE, UFC, Sengoku, Strikeforce, RINGS)
  Patrick Smith (†) - (K-1, UFC, Titan FC, YAMMA)
  Scott Smith - (Strikeforce, EliteXC, PFC, UFC, WEC)
  Trevor Smith - (Strikeforce, UFC)
  Louis Smolka - (UFC, KOTC)
  André Soares - (Shooto, CWFC, EliteXC)
  Peter Sobotta - (UFC, KSW)
  Renato Sobral - (RINGS, UFC, Jungle Fight, Cage Rage, Affliction, Strikeforce, OneFC, Bellator)
  Rameau Thierry Sokoudjou - (PRIDE, WEC, UFC, DREAM, Affliction, Strikeforce, MFC, KSW, Bellator)
  Roberto Soldić - (Final Fight, Cage Warriors, KSW)
  Joe Solecki - (UFC)
  Rambaa Somdet - (Shooto, DEEP, PFC)
  Joe Son - (PRIDE, UFC)
  Chael Sonnen - (Pancrase, WEC, UFC)
  Emiliano Sordi - (Bellator, PFL, Jungle Fight, UAE Warriors)
  Punahele Soriano - (UFC)
  Sean Soriano - (UFC)
  Chandet Sorpantrey - (K-1)
  Krzysztof Soszynski - (IFL, Strikeforce, UFC)
  George Sotiropoulos - (K-1, Shooto, UFC, Titan FC)
  Greg Soto - (UFC)
  Joe Soto - (Bellator, PFC, TPF, UFC)
  Andre Soukhamthath - (UFC)
  Bobby Southworth - (Strikeforce, UFC, PRIDE)
  Andy Souwer - (Rizin)
  Cristiano Souza - (Bellator)
  Kevin Souza - (UFC, Jungle Fight)
  Ronaldo Souza - (UFC, Strikeforce, DREAM, Jungle Fight)
  Andreas Spång - (Bellator, MFC, Strikeforce)
  Ron Sparks - (Bellator)
  Tom Speer - (WEC, UFC)
  Sean Spencer - (UFC, Bellator)
  Mario Sperry - (Cage Rage, PRIDE)
  Eric Spicely - (UFC)
  Ben Spijkers - (Shooto)
  Waachiim Spiritwolf - (Bellator, Strikeforce, KOTC, TPF)
  Daniel Spitz - (UFC, KOTC)
  Serghei Spivac - (UFC)
  Daniel Spohn - (UFC, Bellator, PFL)
  Tyrone Spong - (WSOF)
  Jeremy Spoon - (Bellator, KOTC)
  Pete Spratt - (MFC, Strikeforce, UFC)
  Ron Stallings - (Strikeforce, UFC)
  Cody Stamann - (UFC)
  Brian Stann -  (WEC, UFC)
  Josh Stansbury - (UFC, Bellator)
  Clifford Starks - (UFC, Bellator, WSOF)
  Kalib Starnes - (UFC, WSOF, Titan FC)
  Laureano Staropoli - (PFL, UFC)
  Damian Stasiak - (UFC, KSW, BAMMA, ACB)
  Dominique Steele - (UFC, Bellator, Strikeforce)
  Steve Steinbeiss - (WEC, UFC, Bellator)
  Akop Stepanyan - (Bellator, M-1)
  Jeremy Stephens - (UFC)
  Aljamain Sterling - (UFC)
  Alexander Stetsurenko
  Joe Stevenson - (KOTC, UFC)
  Trevor Stewardson - (KOTC)
  Darren Stewart - (UFC, CWFC)
  Luke Stewart - (Strikeforce)
  Alex Stiebling - (WEC, Pancrase, PRIDE, UFC, WFA)
  Tyler Stinson - (Strikeforce, Bellator, WSOF, Titan FC)
  Darko Stošić - (UFC, KSW)
  Dustin Stoltzfus - (UFC)
  Niklas Stolze - (UFC, BAMMA)
  Ken Stone - (UFC, WEC)
  Logan Storley - (PFL)
  Rick Story - (UFC)
  Raufeon Stots - (Bellator)
  Sam Stout - (UFC)
  Georges St-Pierre - (UFC)
  Ovince St. Preux - (XFC, Strikeforce, UFC)
  Dave Strasser - (UFC, M-1, Cage Rage, Shooto)
  Daniel Mason-Straus - (Bellator)
  Gerald Strebendt - (PRIDE, KOTC, UFC, Cage Rage, CWFC)
  Sean Strickland - (KOTC, UFC)
  Hans Stringer - (UFC, WSOF, Shooto)
  Stefan Struve - (UFC, M-1)
  Masanori Suda - (DEEP, Pride, Shooto)
  Tsuyoshi Sudario - (Rizin)
  Genki Sudo - (K-1, K-1 Hero's, RINGS, Pancrase, UFC)
  Takashi Sugiura - (Pancrase, PRIDE)
  Ren "YA-MAN" Sugiyama - (Rizin)
  George Sullivan - (UFC)
  Amar Suloev - (M-1, Pancrase, PRIDE FC, UFC)
  Mitsuhisa Sunabe - (Pancrase, DEEP)
  Jason Suttie - (PRIDE)
  Chihiro Suzuki - (Rizin)
  Hiroaki Suzuki - (Rizin)
  Masato Suzuki - (Shooto)
  Minoru Suzuki - (DEEP, Pancrase)
  Nobutatsu Suzuki - (VTJ, OneFC)
  Shinichi "Wakakirin Shinichi" Suzukawa
  Cub Swanson - (UFC, WEC, KOTC)
  Mike Swick - (UFC, WEC)
  Sadibou Sy - (PFL)
  Tim Sylvia - (UFC, Affliction, Adrenaline MMA, OneFC, Titan FC)
  Artur Szpilka - (KSW)

T
  Junior Tafa - (UFC)
  Justin Tafa - (UFC)
  Khalid Taha - (Rizin, UFC)
  Noboru Tahara - (Shooto, Pancrase)
  Joe Taimanglo - (Bellator)
  Tatsuro Taira - (UFC)
  Mairbek Taisumov - (M-1, UFC)
  Nobuhiko Takada - (PRIDE)
  Satoshi Takagenji - (Rizin)
  Kazuo Takahashi - (Pancrase, Sengoku, PRIDE, UFC, K-1 Hero's)
  Makoto Takahashi - (Rizin, Bellator, DEEP, Pancrase)
  Daiju Takase - (DEEP, Pancrase, Adrenaline MMA, PRIDE, UFC)
  Hiroyuki Takaya - (Shooto, K-1 Hero's, WEC, DREAM, Strikeforce, VTJ)
  Yoshihiro Takayama - (PRIDE)
  Yoshiyuki Takayama - (Shooto)
  Izuru Takeuchi - (Sengoku, Shooto, Pancrase, K-1 Hero's)
  Makoto Takimoto - (Sengoku, PRIDE)
  Oleg Taktarov - (Pancrase, PRIDE, UFC, YAMMA)
  Nordine Taleb - (Bellator, UFC)
  Payton Talbott - (UFC)
  Akitoshi Tamura - (Shooto, WEC, Sengoku, Pancrase)
  Issei Tamura - (UFC, Shooto)
  Kiyoshi Tamura - (DREAM, DEEP, K-1, K-1 Hero's, PRIDE, RINGS)
  Yukinari Tamura - (DEEP, Shooto, Rizin, ONE)
  Jason Tan - (UFC)
  Kenichi Tanaka - (Shooto)
  Koichi Tanaka - (Shooto, Pancrase, DEEP)
  Kōji Tanaka - (Rizin)
  Michinori Tanaka - (Shooto, UFC)
  Tomohiro Tanaka - (Shooto)
  Isao Tanimura - (Shooto)
  Evan Tanner (†) - (Pancrase, UFC)
  Manny Tapia - (KOTC, WEC, TPF)
  Andrew Tate - (UCMMA)
  Yuzo Tateishi - (Shooto)
  Uchu Tatsumi - (Shooto)
  Deividas Taurosevicius - (IFL, WEC, Bellator)
  Brad Tavares - (UFC)
  Thiago Tavares - (UFC, CWFC)
  Jesse Taylor - (WSOF, Strikeforce, MFC, CWFC, DREAM, KSW, UFC)
  Louis Taylor - (Adrenaline MMA, Strikeforce, Bellator, UFC)
  Paul Taylor - (UFC, Cage Rage)
  James Te Huna - (UFC, KOTC)
  Glover Teixeira - (WEC, PFC, Impact Fighting Championship, Shooto, UFC)
  John Teixeira - (UFC, Shooto, Bellator)
  Tra Telligman - (Pancrase, PRIDE, UFC)
  Sylvester Terkay - (K-1, K-1 Hero's)
  Herman Terrado - (Bellator, Strikeforce)
  David Terrell - (UFC, Pancrase)
  James Terry - (Strikeforce, Bellator)
  Dragan Tešanović - (Bellator)
  Daniel Teymur - (UFC)
  Brandon Thatch - (UFC, Strikeforce)
  Elias Theodorou (†) - (UFC, Bellator)
  Paulo Thiago - (UFC, Jungle Fight)
  Treston Thomison - (Bellator, KOTC)
  James Thompson - (Cage Rage, PRIDE, SFL, KSW, Sengoku, EliteXC, DREAM, Bellator)
  Nick Thompson - (UFC, EliteXC, Strikeforce, Bellator, Sengoku, MFC)
  Oli Thompson - (UFC, KSW, BAMMA)
  Stephen Thompson - (UFC)
  Josh Thomson - (PRIDE, Strikeforce, UFC, WFA)
  Din Thomas - (DEEP, Shooto, UFC)
  Ryan Thomas - (Bellator, UFC, XFC)
  Sander Thonhauser - (RINGS, M-1)
  Simeon Thoresen - (UFC, BAMMA, AOW, DEEP, CWFC)
  Gleison Tibau - (UFC, DEEP)
  Darren Till - (UFC)
  Kelvin Tiller - (PFL, Bellator, WSOF)
  Ricardo Tirloni - (Bellator, MFC)
  Zaza Tkeshelashvili - (RINGS)
  Duško Todorović - (UFC)
  Hideo Tokoro - (Shooto, Pancrase, K-1, K-1 Hero's, RINGS, DREAM, VTJ)
  Anatoly Tokov - (Bellator, Rizin, ACB)
  Kazuki Tokudome - (UFC, Pancrase, KSW, DEEP, Sengoku)
  Takashi Tojo - (Shooto)
  Shawn Tompkins
  Tyler Toner - (UFC, WEC, Strikeforce)
  James Toney - (UFC)
  Garry Tonon - (ONE)
  Ilia Topuria - (UFC)
  Georgi Tonkov - (RINGS)
  Jose Torres - (Brave CF, Titan FC, UFC)
  Miguel Torres - (WEC, UFC, WSOF)
  Justin Torrey - (Bellator)
  Salim Touahri - (UFC)
  Dequan Townsend - (UFC, WXC, XFC, NAAFS)
  Tiago Trator - (UFC, Jungle Fight, ACB)
  Roberto Traven - (UFC, RINGS, Adrenaline MMA)
  Alexander Trevino - (Strikeforce)
  Francisco Treviño - (UFC)
  Frank Trigg - (VTJ, PRIDE, Shooto, UFC, WFA)
  Francisco Trinaldo - (Jungle Fight, UFC)
  Michael Trizano - (Bellator, UFC)
  Tor Troéng - (UFC)
  Abel Trujillo - (UFC)
  Michail Tsarev - (Bellator)
  Arman Tsarukyan - (UFC)
  Yasushi Tsujimoto - (Shooto)
  Chris Tuchscherer - (YAMMA, UFC)
  Jon Tuck - (UFC)
  Gavin Tucker - (UFC)
  Jumabieke Tuerxun - (UFC)
  Blair Tugman - (Bellator)
  Tai Tuivasa - (UFC)
  Zubaira Tukhugov - (CWFC, UFC)
  Teila Tuli (†) - (UFC)
  Albert Tumenov - (UFC, ACB)
  Gary Turner - (Cage Rage)
  Marcin Tybura - (UFC, M-1)

U
  Masakatsu Ueda - (Shooto, OneFC, Bellator)
  Kyuhei Ueno - (Shooto)
  Ryuki Ueyama - (DEEP, K-1 Hero's, Pancrase, PRIDE, RINGS, AOW)
  Christian Uflacker - (Bellator, Strikeforce)
  Izu Ugonoh - (KSW)
  Tagir Ulanbekov - (UFC)
  Carlos Ulberg - (UFC)
  Gasan Umalatov - (M-1, UFC)
  Magomed Umalatov - (PFL)
  Zach Underwood - (Bellator, Strikeforce, WSOF)
  Caol Uno - (K-1, K-1 Hero's, Shooto, VTJ, DREAM, UFC)
  Andy Uhrich - (Bellator, Strikeforce)
  Héctor Urbina - (KOTC, Bellator, UFC)
  Kozo Urita - (DEEP, Pancrase)
  Yasuhiro Urushitani - (UFC, Shooto, DEEP, OneFC)
  Kamaru Usman - (UFC)
  Alexander Ustinov
  Darren Uyenoyama - (UFC, Strikeforce, Shooto, DREAM)

V
  Richie Vaculik - (UFC, Pancrase)
  John Vake
  Artem Vakhitov - (UFC)
  Egidijus Valavicius - (RINGS, PRIDE, Shooto, K-1, K-1 Hero's, Bellator)
  Bart Vale - (RINGS)
  Charlie Valencia - (UFC, WEC)
  Timur Valiev - (UFC, PFL, ACB, WSOF)
  Isaac Vallie-Flagg - (UFC, Strikeforce, KOTC)
  Joshua Van - (UFC)
  Mike Van Arsdale - (UFC, WFA)
  Brylan Van Artsdalen - (Bellator)
  Matt Van Buren - (UFC, Bellator)
  Ron van Clief - (UFC)
  Lloyd van Dams - (PRIDE)
  Jared Vanderaa - (LFA, BAMMA, KOTC, UFC)
  Austin Vanderford - (Bellator, LFA)
  Piet van Gammeren - (M-1)
  Carey Vanier - (Bellator)
  Lando Vannata - (UFC, Pancrase)
  Herman van Tol - (M-1)
  Paul Varelans - (Pancrase, RINGS, UFC)
  Kazula Vargas - (UFC)
  Jamie Varner - (UFC, WEC, XFC, KOTC, Titan FC)
  Vyacheslav Vasilevsky - (Bellator, M-1)
  Linton Vassell - (Bellator, CWFC)
  Javier Vazquez - (UFC, WEC, ShoXC, EliteXC, Shooto, KOTC)
  Matt Veach - (BAMMA, MFC, CWFC, UFC)
  Joe Vedepo - (UFC, Adrenaline MMA, Bellator)
  C.J. Vergara - (UFC)
  Attila Vegh - (Bellator, KSW, Shooto)
  Cain Velasquez - (UFC, Strikeforce)
  Bojan Veličković - (RFA, UFC)
  Karlos Vemola - (UFC)
  Luigi Vendramini - (UFC)
  Jerrel Venetiaan - (RINGS, PRIDE)
  Brandon Vera - (ONE, UFC, WEC)
  Marlon Vera - (UFC)
  Rico Verhoeven
  Renato Verissimo - (UFC, EliteXC)
  Marvin Vettori - (UFC)
  Guilherme Viana - (Bellator, Shooto)
  Hugo Viana - (UFC)
  Vitor Vianna - (Bellator)
  James Vick - (UFC)
  David Vieira
  Milton Vieira - (UFC, Strikeforce, DEEP, PRIDE, M-1, Shooto)
  Rodolfo Vieira - (UFC)
  Alexis Vila - (PFC, Bellator, WSOF)
  Gian Villante - (Strikeforce, UFC)
  Ike Villanueva - (UFC, Bellator)
  Joey Villaseñor - (Strikeforce, PRIDE, KOTC, EliteXC, BAMMA, DEEP, WFA)
  Danillo Villefort - (WSOF, Strikeforce, UFC, WEC, IFL, Jungle Fight)
  Yuri Villefort - (UFC, Strikeforce)
  Doug Viney
  Marcos Vinicius - (UFC)
  Brandon Visher - (WEC)
  Falaniko Vitale - (UFC, Strikeforce, Bellator, KOTC, IFL, RINGS)
  Bobby Voelker - (M-1, Titan FC, Strikeforce, UFC)
  Alexander Volkanovski - (UFC, AFC)
  Jacob Volkmann - (Bellator, UFC, WSOF)
  Alexander Volkov - (Bellator, M-1, UFC)
  Jason Von Flue - (Strikeforce, WEC, KOTC, UFC)
  Igor Vovchanchyn - (PRIDE)
  Dick Vrij - (RINGS)

W
  Takuya Wada - (Pancrase, Shooto)
  Chris Wade - (UFC)
  TJ Waldburger - (UFC)
  Donny Walker - (KOTC, UFC, Bellator)
  Herschel Walker - (Strikeforce)
  Johnny Walker - (UFC)
  Rodney Wallace - (UFC, M-1, MFC, KSW, Bellator)
  Jim Wallhead - (Bellator, BAMMA, CWFC, UFC)
  Cory Walmsley - (UFC)
  Richard Walsh - (UFC)
  Erik Wanderley
  Andy Wang - (UFC, ONE)
  Curt Warburton - (UFC, BAMMA, CWFC, KSW)
  Brennan Ward - (Bellator)
  Charlie Ward - (UFC, Bellator)
  Terrion Ware - (UFC, ACB, BAMMA)
  Yasushi Warita - (Shooto)
  Joe Warren - (DREAM, Bellator)
  James Warring
  Kazuhisa Watanabe - (K-1)
  Yuichi Watanabe - (Shooto)
  Ron Waterman - (Pancrase, PRIDE, UFC, WEC, WFA, EliteXC)
  Tom Watson - (UFC, BAMMA, MFC)
  Walel Watson - (UFC, Titan FC)
  Brok Weaver - (UFC, Titan FC)
  Royston Wee - (UFC)
  Brent Weedman - (Bellator)
  Daniel Weichel - (Bellator, BAMMA, M-1, CWFC)
  Chris Weidman - (UFC)
  Mark Weir - (UFC, WEC, Cage Rage, PRIDE, Pancrase)
  Christian Wellisch - (KOTC, Shooto, WEC, UFC)
  Jeremiah Wells - (UFC)
  Fabrício Werdum - (UFC, Strikeforce, PRIDE, Jungle Fight)
  Cassio Werneck - (WEC)
  Mike Wessel - (Bellator, UFC)
  Ed West - (WSOF, Bellator, IFL)
  Michael Westbrook - (KOTC)
  Sheldon Westcott - (MFC, UFC)
  Coty Wheeler - (WEC, KOTC)
  Alex White - (UFC, Titan FC)
  Vernon White - (Strikeforce, PRIDE, UFC, Pancrase, IFL, KOTC, WFA)
  Rob Whiteford - (UFC, PFL, Bellator, ACB)
  Mike Whitehead - (UFC, Strikeforce, Affliction, M-1, IFL, WEC)
  Garett Whiteley - (UFC)
  Robert Whittaker - (UFC)
  Adam Wieczorek - (UFC)
  Orlando Wiet - (UFC)
  Justin Wilcox - (Strikeforce, Bellator)
  Mike Wilkinson - (UFC)
  Rob Wilkinson - (PFL, UFC)
  James Wilks - (UFC, KOTC)
  Danial Williams - (ONE)
  Jeremy Williams
  Joe Williams - (Bellator, KOTC)
  Jordan Williams - (UFC, Bellator)
  Khaos Williams - (UFC)
  Patrick Williams - (UFC, XFC)
  Pete Williams - (RINGS, UFC, Pancrase, KOTC)
  Rubin Williams - (DREAM)
  Steve Williams - (K-1)
  Tedd Williams - (UFC, KOTC)
  Justin Willis - (UFC, WSOF)
  Chris Wilson - (KOTC, IFL, UFC, Shooto)
  Jonathan Wilson - (UFC)
  Matt Wiman - (UFC)
  Eddie Wineland - (UFC, WEC, Shooto)
  Deron Winn - (UFC, Bellator)
  Andre Winner - (UFC, BAMMA, CWFC, Cage Rage, KSW)
  Shannon Wiratchai - (OneFC) 
  Eric Wisely - (UFC, Strikeforce, Bellator)
  Keith Wisniewski - (UFC, Shooto, IFL, M-1)
  Jason Witt - (Bellator, Titan, LFA, UFC)
  Travis Wiuff - (Jungle Fight, Bellator, UFC, IFL, PRIDE, Sengoku, KOTC, YAMMA)
  Mongkhon Wiwasuk - (ShoXC, KOTC)
  Brandon Wolff - (K-1, UFC, WEC, EliteXC)
  Nathaniel Wood - (UFC)
  Lloyd Woodard - (Bellator, Titan FC, KOTC)
  Tyron Woodley - (Strikeforce, UFC)
  Sean Woodson - (UFC)
  Khama Worthy - (UFC, KOTC)
  Justin Wren - (UFC, Bellator)
  Cliff Wright - (LFA, KOTC, Bellator)
  Jordan Wright - (UFC)
  Andrzej Wronski
  Arkadiusz Wrzosek - (KSW)
  Wuliji Buren - (UFC)

Y
  Song Yadong - (UFC)
  Rani Yahya - (Jungle Fight, K-1 Hero's, PFC, WEC, UFC)
  Alexander Yakovlev - (M-1, Shooto, UFC)
  Manabu Yamada - (Pancrase, Shooto)
  Mikihito Yamagami - (Shooto, VTJ)
  Mamoru Yamaguchi - (Shooto, KOTC, VTJ, TPF)
  Keito Yamakita - (ONE, Pancrase)
  Keiichiro Yamamiya - (Pancrase, Sengoku, DEEP, UFC)
  Kenichi Yamamoto - (RINGS, PRIDE, UFC)
  Norifumi Yamamoto - (Shooto, K-1, K-1 Hero's, DREAM, UFC)
  Yoshihisa Yamamoto - (K-1 Hero's, RINGS, PRIDE, DEEP, VTJ)
  Goiti Yamauchi - (Bellator)
  Petr Yan - (UFC)
  Ryushi Yanagisawa - (Pancrase, RINGS, DEEP)
  Adrian Yañez - (UFC)
  Dongi Yang - (UFC, DEEP)
  Zhikui Yao - (UFC)
  Hu Yaozong - (UFC)
  Emmanuel Yarbrough (†) - (UFC, Shooto, PRIDE)
  Dovletdzhan Yagshimuradov - (PFL, ACB, Bellator)
  Tadao Yasuda - (PRIDE, K-1)
  Yoshiaki Yatsu - (PRIDE)
  Melvin Yeoh - (OneFC)
  Hirotaka Yokoi - (PRIDE, RINGS, DEEP, Shooto)
  Kazunori Yokota - (Pancrase, Sengoku, DEEP)
  Tetsuo Yokoyama - (Shooto)
  Jinzaburo Yonezawa - (Pancrase, Shooto)
  Masutatsu Yano - (UFC, Pancrase, DEEP)
  Dong Sik Yoon - (PRIDE, K-1 Hero's, DREAM)
  Jim York - (Sengoku, KOTC)
  Hidehiko Yoshida - (PRIDE, Sengoku)
  Yoshiyuki Yoshida - (Shooto, UFC, Bellator, OneFC, DEEP)
  Jason Young - (UFC, Cage Rage, CWFC)
  Savant Young - (IFL, Shooto, Affliction, Bellator, TPF)
  Sodiq Yusuff - (UFC)
  Gilbert Yvel - (RINGS, PRIDE, UFC, Affliction, M-1, K-1)

Z
  Luke Zachrich - (KOTC, Bellator, UFC)
  Aiemann Zahabi - (UFC)
  Youssef Zalal - (UFC)
  Elizeu Zaleski dos Santos - (UFC)
  Marius Žaromskis - (Cage Rage, Strikeforce, Bellator, DREAM)
  Shamil Zavurov - (M-1, Bellator)
  David Zawada - (UFC, KSW, PFL)
  Mikhail Zayats - (M-1, Bellator)
  Roman Zentsov - (M-1, PRIDE)
  Daniel Zellhuber - (UFC)
  Lipeng Zhang - (UFC, AOW)
  Tiequan Zhang - (UFC, WEC, AOW)
  Rong Zhu - (UFC)
  Farès Ziam - (UFC)
  Errol Zimmerman - (K-1)
  Catalin Zmarandescu - (BAMMA, K-1)
  Nikolai Zouev - (RINGS)
  Virgil Zwicker - (Bellator, Strikeforce, KSW)
  Magomed Zaynukov - (EFC)
  Zhalgas Zhumagulov - (UFC)

 Lihat juga 

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