List of male mixed martial artists

This is a list of notable professional male mixed martial arts fighters in alphabetical order.

A

 * 🇺🇸 David "Tank" Abbott - (KOTC, Cage Rage, EliteXC, Pride, Strikeforce, UFC)
 * 🇯🇵 Hiroyuki Abe - (Shooto, KOTC, Cage Rage, DEEP, Pride)
 * Papy Abedi - (UFC, Shooto)
 * 🇫🇷 Cyril Abidi - (K-1)
 * 🇧🇷 Daniel Acácio - (Pride, M-1, Shooto, Jungle Fight, KSW)
 * 🇨🇮 Bernard Ackah - (DEEP, K-1 Hero's)
 * 🇯🇵 Akihiko Adachi - (Shooto)
 * 🇺🇸 Sam Adkins - (UFC)
 * Peter Aerts - (K-1, K-1 Hero's)
 * 🇵🇰 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)
 * 🇺🇸 Tony Alanis - (WEC)
 * 🇺🇸 John Albert - (UFC)
 * 🇧🇷 Ildemar Alcântara - (Jungle Fight, UFC)
 * 🇧🇷 Iuri Alcântara - (Jungle Fight, WEC, UFC)
 * 🇧🇷 José Aldo - (Shooto, Jungle Fight, Pancrase, WEC, UFC)
 * 🇨🇦 John Alessio - (DREAM, KOTC, Pancrase, PRIDE, UFC, WEC, MFC, TPF, Bellator)
 * 🇺🇸 Houston Alexander - (Adrenaline MMA, KSW, UFC, Bellator)
 * 🇧🇷 Cosmo Alexandre - (Bellator)
 * 🇲🇽 Olaf Alfonso - (TPF, PFC, PRIDE, WEC)
 * 🇺🇸 Royce Alger - (UFC)
 * 🇮🇷 Amir Aliakbari - (RIZIN, ACB)
 * 🇷🇺 Sultan Aliev - (Bellator, UFC)
 * 🇦🇺 Ben Alloway - (UFC, CWFC)
 * 🇧🇷 Ricardo Almeida - (Pancrase, PRIDE, UFC)
 * 🇧🇷 Thomas Almeida - (UFC, Legacy)
 * 🇺🇸 Eddie Alvarez - (UFC, Bellator, DREAM, EliteXC, ShoXC)
 * 🇺🇸 Sean Alvarez - (RINGS, KOTC, 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)
 * 🇺🇸 Jimmy Ambriz - (KOTC, MFC, Pancrase, K-1 Hero's, WEC, TPF, SFL)
 * 🇺🇸 J.J. Ambrose - (Affliction, Bellator)
 * 🇫🇮 Makwan Amirkhani - (UFC)
 * 🇫🇷 Karl Amoussou - (Pancrase, M-1, DREAM, CWFC, Strikeforce, Bellator)
 * 🇸🇳 Bertrand Amoussou-Guenou - (PRIDE)
 * 🇺🇸 Corey Anderson - (UFC)
 * 🇺🇸 Derek Anderson - (Bellator)
 * 🇺🇸 Alex Andrade - (KOTC, Pancrase, PRIDE, UFC, Bellator)
 * 🇧🇷 Viscardi Andrade - (Jungle Fight, UFC)
 * 🇳🇿 Dylan Andrews - (UFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Giorgio Andrews - (Cage Rage)
 * 🇺🇸 Reese Andy - (IFL, UFC)
 * 🇯🇵 Yoji Anjo - (PRIDE, DEEP, UFC)
 * 🇷🇺 Gadzhimurad Antigulov - (ACB, UFC
 * 🇺🇸 Kelly Anundson - (Bellator)
 * 🇯🇵 Shinya Aoki - (DEEP, DREAM, PRIDE, Shooto, OneFC, Bellator)
 * 🇺🇸 Erik Apple - (KOTC, WEC, ShoXC, Strikeforce)
 * 🇧🇷 Felipe Arantes - (UFC)
 * 🇧🇾 Andrei Arlovski - (Affliction, M-1, Strikeforce, EliteXC, UFC, OneFC, WSOF)
 * 🇧🇷 Ricardo Arona - (PRIDE, RINGS)
 * 🇩🇪 Chalid Arrab - (K-1 Hero's, M-1, PRIDE)
 * 🇺🇸 Matt Arroyo - (UFC)
 * 🇺🇸 Josh Appelt - (Bellator)
 * 🇯🇵 Noboru Asahi - (DEEP, Shooto, VTJ)
 * 🇺🇸 Ben Askren - (Bellator, OneFC)
 * 🇧🇷 Junior Assunção - (UFC, XFC, KOTC)
 * 🇧🇷 Raphael Assunção - (WEC, UFC)
 * 🇧🇷 Leandro Ataides - (Shooto, OneFC)
 * 🇷🇺 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)
 * 🇺🇸 Blas Avena - (WEC, Bellator)
 * 🇺🇸 David Avellan - (WEC)
 * 🇺🇸 Saad Awad - (Bellator, Strikeforce, KOTC)
 * 🇺🇸 Javy Ayala - (Bellator)
 * 🇧🇷 Luiz Azeredo - (Bellator, Jungle Fight, Cage Rage, PRIDE, Shooto)

B

 * 🇯🇵 Yoichi "Wakashoyo Shunichi" Babaguchi - (K-1 Hero's, DEEP)
 * 🇸🇪 Niklas Bäckström - (UFC, CWFC)
 * 🇺🇸 Seth Baczynski - (UFC, IFL, TPF, XFC)
 * 🇺🇸 Ryan Bader - (KOTC, UFC, Bellator)
 * 🇷🇺 Ali Bagautinov - (UFC)
 * 🇦🇫 Siyar Bahadurzada - (Shooto, Strikeforce, Sengoku, UFC)
 * 🇺🇸 Shamar Bailey - (UFC, Strikeforce, Bellator, KOTC, M-1, XFC)
 * 🇺🇸 Bryan Baker - (KOTC, WEC, MFC, Bellator)
 * 🇺🇸 Antonio Banuelos - (DREAM, PFC, WEC, UFC, TPF)
 * 🇧🇷 Renan Barão - (Shooto, Jungle Fight, WEC, UFC)
 * 🇺🇸 Bryan Barberena - (UFC)
 * 🇧🇷 Edson Barboza - (UFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Luke Barnatt - (BAMMA, UFC, ACB)
 * 🇺🇸 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)
 * 🇧🇷 Francimar Barroso - (Shooto, UFC)
 * 🇺🇸 Pat Barry - (UFC)
 * 🇵🇪 Enrique Barzola - (UFC)
 * 🇺🇸 Duane Bastress - (Bellator)
 * 🇺🇸 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)
 * 🇺🇸 Joey Beltran - (UFC, Bellator, KOTC, Strikeforce)
 * 🇺🇸 Joseph Benavidez - (UFC, WEC, DREAM, PFC)
 * 🇺🇸 Brandon Bender - (Bellator)
 * 🇨🇦 Dave Beneteau - (UFC, KOTC)
 * 🇸🇪 Eddy Bengtsson - (CWFC)
 * 🇲🇽 Gabriel Benítez - (UFC)
 * 🇺🇸 Charles "Krazy Horse" 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)
 * 🇿🇦 Mike Bernardo
 * 🇺🇸 Keith Berry - (Bellator, Strikeforce, KOTC, WEC, ShoXC)
 * 🇺🇸 Matt Bessette - (Bellator)
 * 🇧🇷 Alexandre Bezerra - (Bellator)
 * 🇧🇷 Rony Mariano Bezerra - (UFC)
 * 🇷🇺 Magomed Bibulatov - (UFC, WSOF)
 * 🇸🇪 David Bielkheden - (PRIDE, Cage Rage, CWFC, M-1, Shooto, UFC)
 * 🇺🇸 Scott "Bam Bam" Bigelow
 * 🇩🇪 Jonas Billstein - (Bellator)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Michael Bisping - (Cage Rage, CWFC, 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)
 * 🇺🇸 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)
 * 🇦🇺 Tony Bonello - (OneFC, EliteXC, KOTC, Pancrase)
 * 🇺🇸 Stephan Bonnar - (Jungle Fight, UFC, Bellator)
 * 🇺🇸 Ray Borg - (KOTC, Legacy, UFC)
 * 🇯🇵 Marcus Bossett - (UFC)
 * 🇺🇸 Ryan Bow - (World Shooto)
 * 🇺🇸 Brian Bowles - (WEC, UFC)
 * 🇺🇸 Roger Bowling - (Strikeforce, UFC)
 * 🇺🇸 Kyle Bradley - (UFC, Titan FC)
 * 🇺🇸 Paul Bradley - (Bellator, UFC)
 * 🇧🇷 Ebenezer Fontes Braga - (Pancrase, Jungle Fight, PRIDE, UFC)
 * 🇺🇸 David Branch - (UFC, Bellator, WSOF, Titan FC)
 * 🇧🇷 Diego Brandão - (UFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Tom Breese - (UFC, BAMMA)
 * 🇺🇸 Chris Brennan - (KOTC, PRIDE, UFC, Shooto, Cage Rage)
 * 🇺🇸 Charlie Brenneman - (UFC, ShoXC)
 * 🇺🇸 Jason Brilz - (UFC, KOTC, Titan FC)
 * 🇺🇸 Marcus Brimage - (UFC)
 * 🇲🇽 Henry Briones - (UFC, Legacy)
 * 🇺🇸 Antwain Britt - (Strikeforce, YAMMA)
 * 🇧🇷 Jorge Britto
 * 🇺🇸 Mike Bronzoulis - (Strikeforce, Bellator, Titan FC)
 * 🇺🇸 Jonathan Brookins - (Bellator, WEC, UFC)
 * 🇺🇸 Jarred Brooks - (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)
 * 🇺🇸 Travis Browne - (KOTC, Bellator, UFC)
 * 🇺🇸 Junie Browning - (UFC)
 * 🇨🇦 Justin Bruckmann - (Shooto)
 * 🇺🇸 Steve Bruno - (UFC, IFL, MFC)
 * 🇺🇸 Derek Brunson - (Strikeforce, UFC)
 * 🇺🇸 Justin Buchholz - (EliteXC, UFC)
 * 🇺🇸 Zak Bucia - (Strikeforce, KOTC)
 * 🇺🇸 Courtney Buck - (WEC, KOTC)
 * 🇺🇸 Mike Budnik - (KOTC, WEC)
 * 🇺🇸 Paul Buentello - (KOTC, Strikeforce, Affliction, UFC, Legacy, Bellator)
 * 🇺🇸 Shawn Bunch - (Bellator)
 * 🇺🇸 Josh Burkman - (UFC, WSOF)
 * 🇺🇸 Mikey Burnett - (UFC)
 * 🇧🇷 Gilbert Burns - (UFC)
 * 🇺🇸 Kevin Burns - (UFC)
 * 🇺🇸 Nah-Shon Burrell - (Strikeforce, UFC, Bellator)
 * 🇧🇷 Murilo Bustamante - (DEEP, Pancrase, Pride, UFC)
 * 🇺🇸 Jason Butcher - (Bellator)
 * 🇺🇸 Jake Butler - (OneFC)
 * 🇺🇸 Raphael Butler - (Bellator)

C

 * 🇺🇸 Alex Caceres - (KOTC, UFC)
 * 🇺🇸 Darrion Caldwell - (Bellator)
 * 🇧🇷 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)
 * 🇺🇸 Chico Camus - (UFC, RFA)
 * 🇧🇷 Luiz Cané - (UFC)
 * 🇦🇷 Guido Cannetti - (UFC)
 * 🇨🇺 Jose Canseco - (DREAM)
 * 🇺🇸 Steve Cantwell - (UFC, WEC, Jungle Fight)
 * 🇺🇸 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)
 * Simon Carlsen
 * 🇫🇷 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)
 * 🇺🇸 Shane Carwin - (UFC, WEC)
 * 🇺🇸 Johnny Case - (RFA, UFC)
 * 🇺🇸 Kevin Casey - (UFC, Strikeforce, RFA, K-1 Hero's, Bellator)
 * 🇫🇷 Bendy Casimir - (M-1, Shooto, WEC, Cage Rage, CWFC)
 * 🇺🇸 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 - (UFC)
 * 🇺🇸 Donald Cerrone - (WEC, UFC)
 * 🇺🇸 Jason Chambers - (DEEP)
 * 🇺🇸 Michael Chandler - (Strikeforce, Bellator)
 * 🇺🇸 Ernest Chavez - (UFC)
 * 🇺🇸 Rick Cheek - (PFC)
 * 🇺🇸 Michael Chiesa - (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)
 * 🇺🇸 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)
 * 🇺🇸 Devin Clark - (UFC)
 * 🇺🇸 LaVerne Clark - (UFC, RINGS, Pancrase, WFA, DEEP, KOTC, MFC)
 * 🇺🇸 Logan Clark - (UFC, WEC, Sengoku)
 * 🇨🇦 Mitch Clarke - (UFC, KOTC)
 * 🇺🇸 Rich Clementi - (UFC, Bellator, DREAM, K-1 Hero's, Adrenaline MMA, Titan FC)
 * 🇨🇦 Chris Clements - (UFC)
 * 🇺🇸 Dakota Cochrane - (Adrenaline MMA, Titan FC)
 * 🇺🇸 Devin Cole - (Strikeforce, IFL, PFC, WSOF)
 * 🇺🇸 Cortez Coleman - (Strikeforce, KOTC, Bellator)
 * 🇺🇸 Mark "The Hammer" Coleman - (PRIDE, UFC)
 * Vuyisile Colossa - (OneFC)
 * 🇺🇸 Carlos Condit - (KOTC, UFC, WEC, Pancrase)
 * 🇦🇺 Alex Cook - (Pancrase, VTJ, Shooto)
 * 🇺🇸 T. J. Cook - (Strikeforce)
 * 🇺🇸 Bill Cooper - (Strikeforce)
 * 🇺🇸 Brett Cooper - (Bellator, Affliction, Jungle Fight, IFL, Shooto)
 * 🇺🇸 Dewey Cooper - (Strikeforce, PFC)
 * 🇺🇸 Chris Cope - (UFC, Strikeforce)
 * 🇺🇸 Kit Cope - (UFC, WEC, WFA)
 * 🇸🇪 Akira Corassani - (UFC, Shooto)
 * 🇺🇸 Mike Corey - (Bellator, IFL, KOTC, WSOF)
 * 🇺🇸 Daniel Cormier - (KOTC, Strikeforce, UFC)
 * 🇺🇸 Wesley Correira - (RINGS, EliteXC, UFC, WEC)
 * 🇨🇦 Patrick Côté - (KOTC, MFC, UFC)
 * 🇺🇸 Randy "The Natural" Couture - (UFC, VTJ, RINGS)
 * 🇺🇸 Ryan Couture - (UFC, Strikeforce, Bellator)
 * 🇺🇸 Colby Covington - (UFC)
 * 🇺🇸 Nathan Coy - (Strikeforce, MFC, Bellator)
 * 🇺🇸 Andrew Craig - (UFC, Bellator)
 * 🇺🇸 Dan Cramer - (UFC, Bellator)
 * 🇺🇸 Alberto Crane - (KOTC, UFC)
 * 🇺🇸 Tim Credeur - (UFC, KOTC)
 * 🇺🇸 Paul Creighton - (UFC)
 * 🇺🇸 Daron Cruickshank - (UFC, KOTC)
 * 🇺🇸 Richard Crunkilton - (UFC, WEC)
 * 🇺🇸 Dominick Cruz - (UFC, WEC)
 * 🇧🇷 Márcio Cruz - (Sengoku, IFL, UFC)
 * 🇺🇸 Abel Cullum - (KOTC, ShoXC, DREAM)
 * 🇺🇸 Zak Cummings - (UFC, MFC, Bellator, Titan FC)
 * 🇺🇸 Patrick Cummins - (UFC)
 * 🇺🇸 Luke Cummo - (UFC)
 * 🇧🇷 João Cunha
 * 🇺🇸 Jeff Curran - (IFL, KOTC, PRIDE, WEC, WFA, Bellator, UFC, Strikeforce)
 * 🇺🇸 Pat Curran - (Bellator, Adrenaline MMA)

D

 * 🇧🇷 Genair da Silva - (Bellator)
 * 🇧🇷 Henrique da Silva - (UFC)
 * 🇧🇷 Jussier da Silva - (Shooto, TPF, UFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Paul Daley - (UFC, Strikeforce, Bellator, Cage Rage, BAMMA, ShoXC, MFC, CWFC)
 * 🇧🇷 Rodrigo Damm - (UFC, Strikeforce, Sengoku, Shooto)
 * 🇺🇸 Raymond Daniels - (Strikeforce)
 * 🇧🇷 Alexandre Dantas - (UFC)
 * 🇧🇷 Eduardo Dantas - (Shooto, Bellator)
 * 🇺🇸 Mac Danzig - (WEC, KOTC, PRIDE, UFC)
 * 🇦🇲 Karen Darabedyan - (WEC)
 * 🇮🇷 Beneil Dariush - (UFC)
 * 🇷🇺 Viacheslav Datsik - (M-1)
 * 🇺🇸 Chris Davis - (Bellator, Adrenaline MMA, XFC)
 * 🇺🇸 LC Davis - (WEC, Sengoku, Affliction, IFL, Adrenaline MMA, Bellator, Titan FC)
 * 🇺🇸 Marcus Davis - (UFC, MFC, Bellator)
 * 🇺🇸 Phil Davis - (PFC, UFC)
 * 🇺🇸 Raphael Davis - (Bellator, M-1, IFL, Titan FC)
 * 🇨🇦 Jason Day - (UFC, KOTC, MFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Phil De Fries - (UFC)
 * 🇩🇴 Omar de la Cruz - (Bellator, Sengoku)
 * 🇺🇸 Mike De La Torre - (UFC)
 * 🇧🇷 Johil de Oliveira - (PRIDE, Cage Rage, Shooto, Jungle Fight)
 * 🇺🇸 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)
 * 🇺🇸 Jason DeLucia - (UFC, Pancrase, Cage Rage)
 * 🇨🇦 Nick Denis - (UFC, KOTC, Sengoku)
 * 🇺🇸 Thomas Denny - (Shooto, KOTC, WEC, ShoXC, EliteXC, Adrenaline MMA, MFC, PFC)
 * 🇺🇸 Jason Dent - (UFC, KOTC)
 * 🇵🇪 Tony DeSouza - (UFC, Jungle Fight, WFA)
 * 🇺🇸 Cory Devela - (Strikeforce)
 * 🇺🇸 Edwin Dewees - (KOTC, UFC, Affliction, MFC)
 * 🇫🇷 Cyrille Diabaté - (PRIDE, Cage Rage, ShoXC, UFC, PFC, TPF, M-1, DEEP, RINGS)
 * 🇫🇷 Ousmane Thomas Diagne - (Strikeforce)
 * 🇧🇷 Hacran Dias - (Jungle Fight, Pancrase, Shooto, M-1, UFC)
 * 🇧🇷 Rafael Dias - (IFL, WEC, Bellator)
 * 🇺🇸 Nate Diaz - (WEC, Strikeforce, UFC)
 * 🇺🇸 Nick Diaz - (PRIDE, Shooto, DREAM, UFC, WEC, EliteXC, Strikeforce)
 * 🇮🇹 Alessio Di Chirico - (IMMAF, UFC)
 * 🇺🇸 Josh Diekmann - (WEC, Bellator)
 * 🇺🇸 Seth Dikun - (KOTC, WEC, PFC)
 * 🇺🇸 T.J. Dillashaw - (UFC, KOTC)
 * 🇧🇬 Rosen Dimitrov - (M-1, Shooto)
 * 🇧🇬 Rumen Dimitrov - (Shooto)
 * 🇺🇸 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)
 * 🇺🇸 Cody Donovan - (Bellator, UFC)
 * 🇧🇷 Rafael dos Anjos - (UFC, Pancrase, Shooto)
 * 🇧🇷 Junior dos Santos - (UFC)
 * 🇺🇸 David Douglas - (EliteXC, ShoXC, Strikeforce)
 * 🇺🇸 Danny Downes - (UFC, WEC, KOTC)
 * 🇺🇸 Jared Downing - (Bellator)
 * 🇵🇱 Tomasz Drwal - (UFC)
 * 🇺🇸 Robert Drysdale - (UFC)
 * 🇬🇺 Joe Duarte - (Strikeforce, Bellator)
 * 🇺🇸 Todd Duffee - (UFC, SFL, Jungle Fight, DREAM)
 * 🇺🇸 Kelly Dullanty - (UFC, KOTC)
 * 🇺🇸 Evan Dunham - (PFC, UFC)
 * 🇫🇷 Tom Duquesnoy - (BAMMA, UFC)
 * 🇺🇸 Reuben Duran - (UFC, KOTC)
 * 🇨🇦 Matt Dwyer - (UFC)

E

 * 🇺🇸 Marvin Eastman - (KOTC, MFC, UFC, WFA, Shooto)
 * 🇺🇸 Mike Easton - (UFC)
 * 🇺🇸 Brian Ebersole - (UFC, IFL, Shooto, KOTC, Strikeforce)
 * 🇨🇾 Stav Economou - (Cage Rage)
 * 🇵🇭 Mark Eddiva - (UFC)
 * 🇺🇸 Frankie Edgar - (UFC)
 * 🇧🇷 Carlos Eduardo - (Bellator, Shooto)
 * 🇧🇷 Johnny Eduardo - (UFC, Bellator, Jungle Fight, Shooto, VTJ)
 * 🇺🇸 Justin Edwards - (UFC, Bellator)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Leon Edwards - (UFC, BAMMA)
 * Yves Edwards - (KOTC, UFC, Shooto, WEC, PRIDE, EliteXC, Strikeforce, MFC, Bellator)
 * 🇺🇸 Justin Eilers - (UFC, WEC, EliteXC)
 * 🇳🇴 Jon 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)
 * 🇦🇺 Jason Ellis
 * 🇷🇺 Aleksander Emelianenko - (M-1, PRIDE)
 * 🇷🇺 Fedor Emelianenko - (PRIDE, RINGS, Affliction, Strikeforce, M-1, Bellator)
 * 🇺🇸 Rob Emerson - (Pancrase, Shooto, UFC, KOTC, DEEP, TPF, Bellator)
 * 🇺🇸 Josh Emmett - UFC, KOTC
 * 🇨🇭 Yasubey Enomoto - (Sengoku, M-1)
 * 🇺🇸 Tom Erikson - (K-1 Hero's, PRIDE, VTJ)
 * 🇺🇸 Eric "Butterbean" Esch - (Cage Rage, K-1, KOTC, PRIDE, PFC, KSW, YAMMA)
 * 🇺🇸 Cole Escovedo - (WEC, IFL, PFC, Strikeforce, TPF, DREAM, UFC)
 * 🇲🇽 Efrain Escudero - (UFC, TPF, Bellator)
 * 🇧🇷 Braulio Estima - (Titan FC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Terry Etim - (UFC, Bellator)
 * 🇺🇸 Billy Evangelista - (Strikeforce, WEC, PFC)
 * 🇺🇸 Doug Evans - (Bellator, ShoXC, UFC)
 * 🇺🇸 Rashad Evans - (UFC)
 * 🇳🇴 Dan Evensen - (UFC, Bellator)

F

 * 🇺🇸 Edward Faaloloto - (UFC, WEC, Pancrase)
 * 🇺🇸 Urijah Faber - (KOTC, WEC, UFC)
 * 🇧🇷 Wagnney Fabiano - (IFL, WEC, Bellator)
 * 🇧🇷 Maiquel Falcão - (UFC, Bellator, KSW)
 * 🇦🇺 Gustavo Falciroli - (Shooto, OneFC)
 * 🇺🇸 Brodie Farber - (UFC)
 * 🇺🇸 Paul Felder - (UFC)
 * Kevin "Kimbo Slice" Ferguson - (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)
 * 🇺🇸 Scott Ferrozzo - (UFC)
 * 🇺🇸 Drew Fickett - (KOTC, UFC, Cage Rage, Strikeforce, MFC, DREAM, XFC)
 * 🇺🇸 Edwin Figueroa - (UFC)
 * 🇧🇷 Paulo Filho - (DEEP, Pancrase, PRIDE, DREAM, WEC, WSOF)
 * 🇺🇸 Andre Fili - (UFC, KOTC, TPF)
 * Mirko "Cro Cop" Filipović - (PRIDE, UFC, DREAM)
 * 🇺🇸 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)
 * 🇺🇸 Jon Fitch - (Shooto, UFC, WSOF)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 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)
 * 🇧🇷 Renee Forte - (UFC, Jungle Fight, Shooto)
 * 🇺🇸 Brian Foster - (UFC, CWFC, Titan FC)
 * 🇺🇸 Kenny Foster - (Bellator)
 * 🇧🇷 Hermes França - (K-1 Hero's, Shooto, UFC, WEC, MFC)
 * 🇺🇸 John Franchi - (IFL, WEC)
 * 🇺🇸 Rich Franklin - (UFC, WFA)
 * 🇺🇸 Zane Frazier - (UFC, Shooto, RINGS, KOTC, WEC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Ian Freeman - (Cage Rage, CWFC, M-1, Pancrase, UFC)
 * 🇧🇷 Patricio Freire - (Bellator)
 * 🇧🇷 Patricky Freire - (Bellator)
 * 🇧🇷 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)
 * 🇯🇵 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

 * 🇨🇦 Mitch Gagnon - (UFC)
 * Zelg Galesić - (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)
 * 🇦🇲 Manvel Gamburyan - (UFC, WEC, KOTC)
 * 🇩🇴 Alex Garcia - (UFC)
 * 🇲🇽 Edgar Garcia - (WEC, UFC, Bellator, TPF)
 * 🇺🇸 Leonard Garcia - (UFC, WEC)
 * 🇺🇸 Steve Garcia - (Bellator)
 * 🇺🇸 Cody Garbrandt - (UFC)
 * 🇺🇸 Pablo Garza - (KOTC, WEC, UFC)
 * 🇺🇸 Brian Gassaway - (Pancrase, Shooto, Adrenaline MMA, UFC, KOTC, Bellator)
 * 🇺🇸 Kelvin Gastelum - (UFC)
 * 🇺🇸 Louis Gaudinot - (UFC)
 * 🇺🇸 Chad George - (WEC, TPF)
 * 🇧🇬 Kamen Georgiev - (Shooto)
 * 🇺🇸 Tiki Ghosn - (WEC, UFC, WFA, KOTC, Strikeforce)
 * 🇺🇸 Cody Gibson - (UFC, TPF)
 * 🇺🇸 Lance Gibson - (UFC, Shooto)
 * 🇨🇦 Kultar Gill - (DREAM, Shooto, K-1 Hero's, MFC, SFL)
 * 🇺🇸 Bob Gilstrap - (UFC)
 * 🇺🇸 Brandon Girtz - (Bellator)
 * Konstantin Gluhov - (K-1, M-1, KSW, Pancrase)
 * 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)
 * 🇷🇺 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)
 * 🇯🇵 Akihiro Gono - (DEEP, Pancrase, PRIDE, Shooto, UFC, Sengoku, Bellator)
 * 🇧🇷 Gabriel Gonzaga - (Shooto, Jungle Fight, UFC)
 * 🇺🇸 Fernando Gonzalez - (WEC, KOTC, Strikeforce, Bellator)
 * 🇺🇸 Ismael Gonzalez - (KOTC)
 * 🇺🇸 Lyman Good - (IFL, CFFC, Bellator, 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)
 * 🇨🇦 Jonathan Goulet - (KOTC, UFC)
 * 🇧🇷 Wilson Gouveia - (UFC, MFC, KOTC)
 * 🇵🇱 Damian Grabowski - (Bellator, M-1)
 * 🇧🇷 Daniel Gracie - (Bellator, PRIDE)
 * 🇧🇷 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)
 * 🇨🇦 TJ Grant - (KOTC, UFC)
 * 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)
 * 🇺🇸 Matt Grice - (UFC)
 * 🇺🇸 Forrest Griffin - (KOTC, UFC)
 * 🇺🇸 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)
 * 🇦🇺 Vik Grujic - (UFC)
 * 🇧🇷 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)
 * 🇸🇪 Alexander Gustafsson - (UFC, KSW, Shooto)
 * 🇺🇸 Mike Guymon - (UFC, KOTC, Bellator)

H

 * 🇺🇸 Keith Hackney - (UFC)
 * 🇧🇦 Damir Hadzovic - (UFC, CWFC)
 * 🇨🇦 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)
 * 🇺🇸 Gerald Harris - (UFC, DREAM, TPF, Titan FC, WSOF)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Phil Harris - (Cage Rage, BAMMA, UFC, CWFC)
 * 🇺🇸 Walt Harris - (UFC, Titan FC)
 * 🇺🇸 Andre Harrison - (WSOF, Titan FC)
 * 🇺🇸 Dale Hartt - (UFC)
 * 🇺🇸 Clay Harvison - (UFC, Bellator)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Lee Hasdell - (RINGS, Cage Rage)
 * 🇺🇸 Carlton Haselrig - (EliteXC)
 * 🇦🇺 Chris Haseman - (UFC, RINGS, WFA)
 * 🇯🇵 Daiki Hata - (Pancrase, DEEP, DREAM)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 John Hathaway - (UFC, Cage Rage)
 * 🇺🇸 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)
 * 🇩🇪 Nick Hein - (UFC)
 * 🇵🇱 Marcin Held - (Bellator, Shooto, UFC)
 * 🇺🇸 Benson Henderson - (MFC, WEC, UFC, Bellator)
 * 🇺🇸 Dan Henderson - (RINGS, PRIDE, UFC, Strikeforce)
 * 🇺🇸 Johny Hendricks - (WEC, UFC)
 * 🇺🇸 Dave Herman - (UFC, Bellator, EliteXC, Sengoku, ShoXC, Titan FC)
 * 🇺🇸 Ed Herman - (Pancrase, UFC, Strikeforce)
 * 🇺🇸 Heath Herring - (K-1 Hero's, PRIDE, UFC)
 * 🇺🇸 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)
 * 🇺🇸 Corey Hill - (UFC, XFC, TPF)
 * 🇺🇸 Branden Lee Hinkle - (UFC, RINGS, IVC, Pancrase, VTJ)
 * 🇯🇵 Hatsu Hioki - (Shooto, PRIDE, Sengoku, UFC)
 * 🇯🇵 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)
 * 🇺🇸 Andrew Holbrook - (UFC)
 * 🇺🇸 Mark Holata - (Bellator)
 * 🇺🇸 Chris Holdsworth - (UFC)
 * 🇨🇦 Roger Hollett - (MFC, Bellator, UFC)
 * 🇺🇸 Max Holloway - (UFC)
 * 🇮🇪 Patrick Holohan - (Pancrase, Cage Contender, UFC)
 * 🇨🇦 Mark Holst - (UFC)
 * 🇨🇦 Mark Hominick - (UFC, Affliction, WEC)
 * 🇺🇸 Chris Honeycutt - (Bellator)
 * 🇯🇵 Satoshi Honma - (PRIDE, UFC, Shooto, K-1)
 * 🇺🇸 Darrell Horcher - (Bellator, UFC)
 * 🇯🇵 Kyoji Horiguchi - (Shooto, VTJ, UFC)
 * 🇺🇸 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)
 * 🇺🇸 Roger Huerta - (UFC, Bellator, OneFC)
 * 🇺🇸 Mark Hughes - (UFC)
 * 🇺🇸 Matt Hughes - (UFC, Shooto, RINGS)
 * 🇺🇸 Matt Hume - (Pancrase)
 * 🇳🇿 Mark Hunt - (PRIDE, DREAM, UFC)
 * 🇺🇸 Solomon Hutcherson - (UFC, MFC)

I

 * 🇺🇸 Al Iaquinta - (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)
 * 🇺🇸 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)
 * 🇺🇸 Takeshi Inoue - (Shooto, DREAM, VTJ)
 * 🇺🇸 James Irvin - (Strikeforce, WEC, UFC, TPF, KSW)
 * 🇯🇵 Mitsuhiro Ishida - (PRIDE, DREAM, Strikeforce, Shooto, DEEP)
 * 🇯🇵 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)
 * 🇧🇷 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)
 * 🇺🇸 Jeremy Jackson - (KOTC, UFC)
 * 🇺🇸 Kevin Jackson - (UFC)
 * 🇺🇸 Quinton "Rampage" Jackson - (KOTC, PRIDE, UFC, WFA, Bellator)
 * 🇺🇸 Dustin Jacoby - (UFC, WSOF, Titan FC, Bellator)
 * 🇨🇦 Ryan Janes - UFC
 * 🇺🇸 Keith Jardine - (KOTC, MFC, Pancrase, UFC, Strikeforce)
 * 🇧🇷 Antoine Jaoude - (K-1, IFL)
 * 🇺🇸 Dave Jansen - (Bellator, WEC, M-1)
 * 🇺🇸 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)
 * 🇨🇳 Li Jingliang - (UFC, Legend FC, AOW)
 * 🏴󠁧󠁢󠁷󠁬󠁳󠁿 Brett Johns - (CWFC, Titan FC, UFC)
 * 🇺🇸 Anthony Johnson - (UFC, WSOF, Titan FC)
 * 🇺🇸 DaMarques Johnson - (UFC, KOTC)
 * 🇺🇸 Demetrious Johnson - (UFC, WEC, KOTC)
 * 🇺🇸 Lavar Johnson - (Bellator, UFC, WEC, Strikeforce, PFC)
 * 🇺🇸 Michael Johnson - (UFC, Titan FC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Wesley Johnson - (Cage Rage)
 * 🇺🇸 Brian Johnston - (UFC, Strikeforce)
 * 🇺🇸 Jon "Bones" Jones - (UFC)
 * 🇺🇸 Marcus Jones - (UFC)
 * 🇦🇺 Nathan Jones - (PRIDE)
 * 🇺🇸 Paul Jones - (UFC, Shooto)
 * 🇺🇸 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)
 * 🇺🇸 Alan Jouban - (UFC, TPF, RFA)
 * 🇺🇸 Jesse Juarez - (Bellator, Strikeforce, MFC)
 * 🇳🇿 Luke Jumeau - (UFC)
 * 🇰🇷 Bu Kyung Jung - (DREAM, DEEP)
 * 🇰🇷 Chan Sung Jung - (UFC, WEC, Sengoku, DEEP, Pancrase)
 * 🇺🇸 Myles Jury - (Shooto, KOTC, UFC)

K

 * 🇯🇵 Hideki Kadowaki - (Shooto, Sengoku, DEEP)
 * Martin Kampmann - (UFC, WFA, KOTC, CWFC)
 * 🇯🇵 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)
 * 🇦🇲 Georgi Karakhanyan - (WSOF, DREAM, Bellator, BAMMA, KOTC, TPF)
 * 🇺🇸 Alex Karalexis - (WEC, UFC)
 * Joop Kasteel - (RINGS)
 * 🇯🇵 Tetsuji Kato - (Shooto, VTJ, DEEP, Strikeforce)
 * 🇯🇵 Yukio Kawabe - (PRIDE, Pancrase)
 * 🇯🇵 Kenji Kawaguchi - (Shooto)
 * 🇯🇵 Yusuke Kawaguchi - (M-1, DEEP, DREAM, KSW)
 * 🇯🇵 Tatsuya Kawajiri - (PRIDE, Shooto, Strikeforce, DREAM, UFC)
 * 🇯🇵 Ryo Kawamura - (Pancrase, Sengoku, OneFC)
 * 🇨🇦 Chris Kelades - (Bellator, UFC)
 * 🇦🇺 Daniel Kelly - (UFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Paul Kelly - (UFC, SFL, CWFC)
 * 🇺🇸 Tim Kennedy - (WEC, IFL, Strikeforce, UFC)
 * 🇺🇸 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)
 * 🇷🇺 Sergei Kharitonov - (PRIDE, RINGS, K-1 Hero's, DREAM, Strikeforce, M-1)
 * 🇷🇺 Magomedrasul "Frodo" Khasbulaev - (Bellator, M-1)
 * 🇹🇳 Ferrid Kheder - (Shooto, M-1, Bellator)
 * 🇯🇵 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)
 * 🇺🇸 Rob Kimmons - (UFC, Shooto, WEC, Titan FC)
 * 🇺🇸 Dustin Kimura - (UFC, KOTC)
 * 🇯🇵 Koichiro Kimura - (VTJ)
 * 🇯🇵 Taiei Kin - (K-1 Hero's, DREAM)
 * 🇺🇸 Kyle Kingsbury - (UFC, KOTC)
 * 🇯🇵 Koji Kitao - (PRIDE, UFC)
 * 🇯🇵 Satoru Kitaoka - (Pancrase, Sengoku, DEEP, DREAM)
 * 🇦🇲 Kevin Knabjian - (Shooto, WEC, Bellator)
 * 🇹🇷 Fatih Kocamis - (M-1, PRIDE, RINGS)
 * 🇺🇸 Erik Koch - (WEC, UFC)
 * 🇯🇵 Junya Kodo - (Shooto, DREAM, VTJ)
 * 🇯🇵 Toru Koga - (Shooto)
 * 🇺🇸 Brad Kohler - (UFC, RINGS, DEEP)
 * 🇯🇵 Tsuyoshi Kohsaka - (RINGS, PRIDE, UFC, Pancrase, DEEP)
 * 🇯🇵 Hiroyuki Kojima - (Shooto)
 * 🇺🇸 Naoto Kojima - (Shooto)
 * 🇯🇵 Shinichi Kojima - (Shooto, OneFC)
 * 🇺🇸 John Kolosci - (UFC, Strikeforce, Bellator, XFC)
 * 🇯🇵 Yuki Kondo - (Pancrase, PRIDE, UFC, DEEP, Sengoku)
 * 🇫🇷 Cheick Kongo - (UFC, Bellator, RINGS)
 * 🇯🇵 Masayuki Kono - (Pancrase)
 * 🇺🇸 Cole Konrad - (Bellator)
 * 🇷🇺 Andrei Kopylov - (PRIDE, RINGS)
 * 🇷🇺 Andrey Koreshkov - (Bellator)
 * 🇺🇸 Josh Koscheck - (UFC, Bellator)
 * 🇯🇵 Naoyuki Kotani - (Pancrase, PRIDE, UFC)
 * 🇺🇸 James Krause - (Bellator, WEC, Titan FC, UFC)
 * 🇩🇪 Pascal Krauss - (UFC, CWFC, Shooto)
 * 🇧🇬 Emil Kristev - (RINGS)
 * 🇸🇪 Jörgen Kruth - (K-1, UFC)
 * 🇺🇦 Nikita Krylov - (UFC)
 * 🇯🇵 Misaki Kubota - (Shooto)
 * 🇧🇾 Alexei Kudin - (Bellator, M-1, Shooto)
 * Michael Kuiper - (UFC, Titan FC)
 * 🇫🇮 Anton Kuivanen - (UFC, K-1 Hero's, Shooto)
 * 🇯🇵 Kiichi Kunimoto - (UFC, Pancrase)
 * 🇯🇵 Kiuma Kunioku - (Sengoku, DEEP, Pancrase, K-1 Hero's)
 * 🇯🇵 Masakazu Kuramochi - (DEEP, Pancrase, Shooto)
 * Eldar Kurtanidze - (PRIDE)
 * 🇯🇵 Kazuhiro Kusayanagi - (Shooto, VTJ)
 * 🇯🇵 Takuya Kuwabara - (Shooto)
 * 🇰🇷 Kwan Ho Kwak - (UFC)
 * 🇺🇸 Mike Kyle - (KOTC, WEC, UFC, Pancrase, Strikeforce, WSOF)

L

 * 🇷🇺 Achmed Labasanov - (RINGS, PRIDE)
 * 🇺🇸 Ryan LaFlare - (UFC)
 * 🇺🇸 Tim Lajcik - (UFC, Pancrase, WFA, RINGS)
 * 🇺🇸 Ricardo Lamas - (UFC, WEC)
 * 🇺🇸 Jason Lambert - (KOTC, UFC, WEC, Bellator)
 * 🇨🇦 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)
 * 🇺🇸 Dan Lauzon - (Affliction, UFC, WSOF)
 * 🇺🇸 Joe Lauzon - (UFC)
 * 🇺🇸 Muhammed "King Mo" 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)
 * 🇺🇸 Cung Le - (Strikeforce, UFC)
 * 🇫🇷 Jérôme Le Banner - (K-1, K-1 Hero's)
 * 🇺🇸 Chris Leben - (UFC, WEC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Vaughan Lee - (UFC, CWFC, Cage Rage)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Dave Legeno - (Cage Rage)
 * 🇺🇸 Ricky Legere - (Bellator, Strikeforce, KOTC, TPF)
 * 🇧🇷 Thales Leites - (Shooto, Jungle Fight, MFC, UFC)
 * 🇺🇸 Jesse Lennox - (UFC, WEC, IFL, Adrenaline MMA)
 * 🇺🇸 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)
 * 🇺🇸 Justin Levens - (PFC, IFL, WEC, UFC)
 * 🇺🇸 Marcus LeVesseur - (UFC, Adrenaline MMA)
 * 🇺🇸 Derrick Lewis - (Bellator, UFC)
 * 🇫🇷 Jess Liaudin - (Pancrase, KOTC, Cage Rage, UFC)
 * 🇺🇸 Chuck "The Iceman" Liddell - (UFC, PRIDE)
 * 🇯🇵 Jushin Thunder Liger - (Pancrase)
 * 🇺🇸 Zach Light - (BAMMA, Strikeforce, UFC, WEC)
 * 🇺🇸 Scott Lighty - (Strikeforce, ShoXC, PFC)
 * 🇺🇸 Chris Liguori - (UFC, Bellator, EliteXC)
 * 🇰🇷 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)
 * 🇧🇷 Philipe Lins - (Bellator)
 * 🇺🇸 Dean Lister - (KOTC, MFC, PRIDE, UFC)
 * 🇪🇸 Abner Lloveras - (M-1, Shooto)
 * 🇺🇸 John Lober - (KOTC, UFC, Pancrase)
 * 🇨🇦 David Loiseau - (EliteXC, UFC, TPF, WSOF)
 * 🇨🇺 🇦🇺 Hector Lombard - (Bellator, EliteXC, UFC, DEEP, PRIDE)
 * Jan Lomulder - (K-1, VTJ)
 * 🇺🇸 Matthew Lopez - (UFC, KOTC, RFA)
 * 🇺🇸 Nate Loughran - (UFC, TPF, PFC)
 * 🇺🇸 Ian Loveland - (UFC, KOTC, IFL, VTJ, TPF)
 * 🇺🇸 Waylon Lowe - (UFC, Bellator, XFC, WSOF)
 * 🇺🇸 Chris Lozano - (Bellator)
 * 🇺🇸 Duane Ludwig - (K-1, KOTC, Sengoku, Strikeforce, UFC)
 * Alexandru Lungu - (PRIDE, Cage Rage, K-1)
 * 🇺🇸 Travis Lutter - (Cage Rage, MFC, UFC)
 * 🇺🇸 Chris Lytle - (Cage Rage, Pancrase, UFC, WEC)

M

 * 🇧🇷 William Macário - (UFC)
 * 🇨🇦 Jason MacDonald - (KOTC, MFC, UFC)
 * 🇨🇦 Rob MacDonald - (UFC, MFC)
 * 🇨🇦 Rory MacDonald - (UFC, KOTC)
 * 🇧🇷 Gustavo Machado - (Shooto, IFL, Pancrase, KOTC, DEEP, RINGS)
 * 🇷🇺 Murad Machaev - (Bellator)
 * 🇧🇷 Lyoto Machida - (NJPW, Jungle Fight, K-1, K-1 Hero's, WFA, UFC)
 * 🇺🇸 War Machine - (UFC, BAMMA, XFC, Bellator, TPF)
 * 🇺🇸 Anthony Macias - (PRIDE, UFC)
 * 🇸🇪 Reza Madadi - (UFC)
 * 🇺🇸 Jon Madsen - (UFC)
 * 🇯🇵 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)
 * 🇷🇺 Rashid Magomedov - (M-1, UFC)
 * 🇷🇺 Ruslan Magomedov - (Bellator, UFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 John Maguire - (BAMMA, Cage Rage, UFC, CWFC, KSW)
 * 🇧🇷 Demian Maia - (UFC)
 * 🇧🇷 Eduardo Maiorino - (K-1)
 * 🇨🇦 John Makdessi - (UFC)
 * 🇷🇺 Islam Makhachev - (UFC, M-1)
 * 🇺🇸 Zach Makovsky - (Bellator, ShoXC, UFC, ACB)
 * 🇦🇷 Nazareno Malegarie - (Bellator, Jungle Fight)
 * 🇧🇷 Fábio Maldonado - (UFC)
 * 🇺🇸 Nick Mamalis - (Bellator)
 * Melvin Manhoef - (Cage Rage, K-1 Hero's, Strikeforce, DREAM, OneFC, KSW)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Ronnie Mann - (Bellator, Cage Rage, Sengoku, CWFC)
 * Andre Mannaart - (Shooto, RINGS)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Jimi Manuwa - (BAMMA, UFC)
 * 🇧🇷 Cristiano Marcello - (UFC, PRIDE)
 * 🇧🇷 Ronny Markes - (Shooto, UFC, WSOF)
 * 🇺🇸 Rory Markham - (IFL, Adrenaline MMA, UFC)
 * 🇺🇸 Nate Marquardt - (Pancrase, Strikeforce, UFC)
 * 🇺🇸 Carmelo Marrero - (WEC, UFC, Bellator, XFC, IFL)
 * 🇺🇸 John Marsh - (IFL, PRIDE, UFC)
 * 🇺🇸 Doug Marshall - (Bellator, SFL, WEC, PFC, TPF)
 * 🇺🇸 Eliot Marshall - (UFC)
 * 🏴󠁧󠁢󠁷󠁬󠁳󠁿 Jack Marshman - (BAMMA, CWFC, 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)
 * 🇺🇸 Poppies Martinez - (Bellator, WEC, PFC, TPF)
 * 🇺🇸 Rad Martinez - (Bellator, KOTC)
 * 🇺🇸 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)
 * 🇺🇸 Mike Massenzio - (UFC, IFL)
 * 🇺🇸 Jameel Massouh - (Bellator, KOTC, Pancrase, WEC, Adrenaline MMA)
 * 🇺🇸 Jorge Masvidal - (Bellator, Sengoku, Strikeforce, UFC)
 * 🇯🇵 Daijiro Matsui - (KOTC, Cage Rage, PRIDE, Pancrase, DEEP, AOW)
 * 🇯🇵 Hiroaki Matsutani - (Shooto)
 * 🇺🇸 A.J. Matthews - (Bellator, Strikeforce)
 * 🇦🇺 Jake Matthews - (UFC)
 * 🇧🇾 Vladimir Matyushenko - (VTJ, Jungle Fight, Affliction, IFL, UFC, Bellator)
 * 🇺🇸 Gray Maynard - (UFC)
 * 🇳🇮 Ricardo Mayorga - (WSOF)
 * 🇺🇸 Ian McCall - (WEC, TPF, UFC)
 * 🇺🇸 Charles McCarthy - (KOTC, UFC)
 * 🇺🇸 Jacob McClintock - (Bellator)
 * 🇺🇸 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)
 * 🇺🇸 Robert "Bubba" McDaniel - (UFC, KOTC, ShoXC, EliteXC)
 * 🇺🇸 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)
 * 🇺🇸 Antonio McKee - (KOTC, WFA, IFL, K-1 Hero's, MFC, UFC, DREAM, WSOF)
 * 🇺🇸 Cody McKenzie - (UFC)
 * 🇺🇸 Tim McKenzie - (UFC, WEC, Pancrase, TPF)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 James McSweeney - (Cage Rage, BAMMA, UFC, OneFC)
 * 🇺🇸 Tim Means - (KOTC, UFC)
 * 🇺🇸 Yancy Medeiros - (UFC, Strikeforce)
 * 🇺🇸 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)
 * 🇸🇻 Ivan Menjivar - (UFC, IFL, KOTC, K-1 Hero's, MFC)
 * 🇺🇸 Dave Menne - (Shooto, RINGS, UFC, DEEP, Cage Rage, Bellator)
 * 🇺🇸 Ray Mercer - (Adrenaline MMA)
 * 🇺🇸 Jeremiah Metcalf - (Strikeforce, ShoXC, KOTC, PFC)
 * 🇺🇸 Yaotzin Meza - (UFC)
 * 🇺🇸 Guy Mezger - (Pancrase, PRIDE, KOTC, UFC)
 * 🇺🇸 David Michaud - (UFC)
 * 🇧🇷 Thiago Michel - (Bellator)
 * 🇯🇵 Taka Michinoku - (Pancrase)
 * 🇺🇸 Zach Micklewright - (WEC)
 * 🇺🇸 Pat Miletich - (Adrenaline MMA, IFL, RINGS, UFC)
 * 🇺🇸 Cole Miller - (UFC, Shooto)
 * 🇺🇸 Dan Miller - (UFC, IFL)
 * 🇺🇸 Henry "Sentoryu Henri" Miller - (Cage Rage, PRIDE, Pancrase, DEEP)
 * 🇺🇸 Jason "Mayhem" Miller - (UFC, Strikeforce, DREAM, WFA, WEC)
 * 🇺🇸 Jim Miller - (UFC, IFL)
 * 🇺🇸 Micah Miller - (WEC, DREAM, XFC, TPF, KOTC, Titan FC)
 * 🇺🇸 Phillip Miller - (UFC, KOTC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Che Mills - (BAMMA, Cage Rage, M-1, UFC, CWFC)
 * 🇷🇺 Vitaly Minakov - (M-1, Bellator)
 * 🇯🇵 Ikuhisa Minowa - (DREAM, K-1 Hero's, Pancrase, PRIDE, DEEP, SFL)
 * 🇺🇸 Stipe Miocic - (UFC)
 * 🇺🇸 Frank Mir - (UFC)
 * 🇧🇷 Mario Miranda - (UFC, M-1, KSW)
 * 🇧🇷 Vitor Miranda - (Shooto, K-1, UFC)
 * 🇷🇺 Rasul Mirzaev
 * 🇯🇵 Kazuo Misaki - (PRIDE, Sengoku, Pancrase, DEEP, Strikeforce)
 * 🇯🇵 Dokonjonosuke Mishima - (Shooto, PRIDE, UFC, DEEP)
 * 🇺🇸 David Mitchell - (UFC, TPF)
 * 🇺🇸 Felix Mitchell - (UFC)
 * 🇺🇸 Matt Mitrione - (UFC)
 * 🇯🇵 Eiji Mitsuoka - (KOTC, PRIDE, DEEP, Shooto, Sengoku, DREAM, UFC)
 * 🇯🇵 Hiromitsu Miura - (Pancrase, K-1 Hero's, WEC, DEEP)
 * 🇯🇵 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)
 * 🇺🇸 Nate Mohr - (UFC, KOTC)
 * 🇦🇺 Ashkan Mokhtarian - (UFC)
 * 🇯🇵 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)
 * 🇺🇸 Nate Moore - (Strikeforce)
 * 🇧🇷 Marlon Moraes - (WSOF, XFC)
 * 🇧🇷 Sergio Moraes - (Jungle Fight, Bellator, UFC)
 * 🇺🇸 John Moraga - (UFC)
 * 🇧🇷 Ricardo Morais - (RINGS, PRIDE, Jungle Fight)
 * 🇺🇸 Christian Morecraft - (UFC)
 * 🇧🇷 Joe Moreira - (UFC)
 * 🇺🇸 Sammy Morgan - (UFC, Shooto, Strikeforce, ShoXC, KOTC)
 * Remigijus Morkevicius - (Shooto, K-1 Hero's)
 * 🇺🇸 Johnnie Morton - (K-1 Hero's)
 * 🇧🇷 Robson Moura - (Shooto)
 * 🇦🇲 Gegard Mousasi - (Strikeforce, DREAM, DEEP, MFC, Pride, K-1, CWFC, UFC)
 * Christian M'Pumbu - (Bellator, DEEP, KSW, M-1)
 * 🇺🇸 Mike Mucitelli - (Bellator)
 * 🇺🇸 Quinn Mulhern - (UFC, KOTC, Strikeforce)
 * 🇧🇷 Pedro Munhoz - (UFC)
 * 🇺🇸 Mark Muñoz - (PFC, WEC, UFC)
 * 🇯🇵 Kazunari Murakami - (Pride, Jungle Fight)
 * 🇯🇵 Ryuichi Murata - (DEEP, Pride)
 * 🇯🇵 Shinya Murofushi - (Shooto)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Lee Murray - (Cage Rage, UFC)
 * 🇸🇪 Nico Musoke - (UFC)
 * 🇦🇺 Ashkan Mokhtarian - (UFC)

N

 * 🇯🇵 Katsuhiko Nagata - (K-1, K-1 Hero's, Pancrase, DREAM)
 * 🇯🇵 Yuji Nagata
 * 🇧🇷 Andrews Nakahara - (K-1, DREAM)
 * 🇯🇵 Yuki Nakai - (VTJ, 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)
 * 🇯🇵 Shinsuke Nakamura - (K-1, Jungle Fight)
 * 🇯🇵 Jutaro Nakao - (DEEP, PRIDE, UFC, Shooto)
 * 🇯🇵 Yoshihiro "Kiss" Nakao - (K-1, K-1 Hero's, PRIDE, Sengoku)
 * 🇯🇵 Takumi Nakayama - (Shooto, KOTC, DEEP, Pancrase, VTJ)
 * 🇺🇸 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
 * 🇵🇱 Tomasz Narkun - (M-1, KSW)
 * 🇯🇵 Masayuki Naruse - (Pancrase, Jungle Fight, K-1, RINGS)
 * 🇺🇸 Roger Narvaez - (UFC)
 * 🇯🇵 Tenshin Nasukawa ( Rizin)
 * 🇵🇱 Pawel Nastula - (PRIDE, KSW, Sengoku)
 * 🇧🇷 Rafael Natal - (UFC)
 * 🇧🇷 Marcio Navarro - (Bellator, Titan FC, KOTC)
 * 🇧🇷 Renê Nazare - (Bellator)
 * 🇺🇸 Dustin Neace - (UFC, Bellator, Strikeforce)
 * 🇧🇬 Stanislav Nedkov - (Shooto, Pancrase, Sengoku, UFC)
 * 🇺🇸 Josh Neer - (UFC, Bellator, IFL)
 * 🇺🇸 Steve Nelmark - (UFC)
 * 🇮🇸 Gunnar Nelson - (UFC, BAMMA, Cage Contender)
 * 🇺🇸 Roy Nelson - (IFL, EliteXC, UFC)
 * 🇺🇸 Shane Nelson - (UFC, Shooto, MFC)
 * 🇷🇺 Viktor Nemkov - (M-1)
 * 🇧🇷 Antonio Braga Neto - (UFC, Sengoku, AOW)
 * 🇧🇷 Mario Neto - (UFC)
 * 🇺🇸 Nick Newell - (XFC, WSOF)
 * 🇨🇦 Carlos Newton - (VTJ, Shooto, PRIDE, UFC, IFL, K-1 Hero's)
 * 🇺🇸 Emanuel Newton - (Bellator, MFC, IFL, KOTC, WEC)
 * 🇨🇲 Alain Ngalani - (OneFC)
 * 🇫🇮 Tom Niinimäki - (Shooto, CWFC, Titan FC, UFC)
 * 🇺🇸 Ramsey Nijem - (UFC)
 * Hans Nijman - (RINGS, PRIDE)
 * 🇸🇪 Mats Nilsson - (Shooto, CWFC, UFC)
 * 🇺🇸 Jack Nilson - (RINGS, UFC)
 * 🇯🇵 Yosuke Nishijima - (PRIDE, K-1)
 * 🇯🇵 Akiyo Nishiura - (DEEP, Shooto, DREAM, VTJ)
 * 🇯🇵 Takashi Nishizawa - (Shooto)
 * Anthony Njokuani - (WEC, UFC)
 * 🇺🇸 Jacob Noe - (Bellator, Strikeforce)
 * 🇧🇷 Alexandre Franca Nogueira - (K-1 Hero's, Shooto, WEC, VTJ)
 * 🇧🇷 Antônio Rodrigo "Minotauro" Nogueira - (UFC, PRIDE, RINGS)
 * 🇧🇷 Antônio Rogério "Minotouro" Nogueira - (PRIDE, Affliction, Jungle Fight, Sengoku, DEEP, UFC)
 * 🇧🇷 Luis Nogueira - (Shooto, Bellator)
 * 🇦🇺 Kyle Noke - (UFC, EliteXC)
 * 🇯🇵 Kimihito Nonaka - (Shooto)
 * 🇺🇸 KJ 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)
 * 🇧🇷 Diego Nunes - (UFC, WEC, Shooto, Bellator)
 * 🇷🇺 Khabib Nurmagomedov - (UFC, M-1)

O

 * 🇺🇸 Jake O'Brien - (UFC, DREAM, WEC)
 * 🇺🇸 Sean O'Connell - (MFC, UFC)
 * 🇯🇵 Naoya Ogawa - (PRIDE)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Andy Ogle - (UFC)
 * 🇺🇸 Carl Ognibene - (PRIDE)
 * 🇯🇵 Tomonori Ohara - (Shooto)
 * 🇺🇸 Dom O'Grady - (Bellator, XFC, Adrenaline MMA, KOTC, Pancrase)
 * 🇯🇵 Kenji Ogusu - (Shooto)
 * 🇺🇸 Sean O'Haire - (K-1, K-1 Hero's, PRIDE)
 * 🇯🇵 Michiyoshi Ohara - (PRIDE)
 * 🇯🇵 Masahiro Oishi - (DEEP, Pancrase, Shooto)
 * 🇯🇵 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)
 * 🇯🇵 Yasunori Okuda - (Shooto)
 * 🇯🇵 Taisuke Okuno - (Shooto, Sengoku, DEEP)
 * 🇺🇦 Alexey Oleinik - (M-1, KSW, Bellator, UFC, YAMMA)
 * 🇧🇷 Charles Oliveira - (UFC, Jungle Fight)
 * 🇧🇷 Rafaello Oliveira - (UFC, ShoXC, XFC)
 * 🇳🇬 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)
 * 🇺🇸 Chuck O'Neil - (UFC, Bellator)
 * 🇯🇵 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)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Nick Osipczak - (UFC)
 * 🇯🇵 Alexander Otsuka - (KOTC, PRIDE, RINGS)
 * 🇯🇵 Isamu Osugi - (Shooto)
 * 🇺🇸 John Ott - (Bellator, Titan FC)
 * 🇺🇸 Zak Ottow - (UFC, RFA, KOTC)
 * 🇳🇱 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)
 * 🇺🇸 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)
 * 🇵🇱 Bart Palaszewski - (IFL, Adrenaline MMA, KOTC, Shooto, WEC, UFC)
 * 🇦🇺 Soa Palelei - (UFC, KOTC, PRIDE, Shooto)
 * 🇧🇷 Rousimar Palhares - (UFC, WSOF)
 * 🇵🇪 Luis Palomino - (XFC, Bellator, WSOF)
 * 🇺🇸 Jared Papazian - (UFC, KOTC, TPF, WSOF)
 * 🇫🇷 Norman Paraisy - (CWFC, Bellator, M-1)
 * Remco Pardoel - (RINGS, Pancrase, Shooto, UFC)
 * 🇮🇱 Ido Pariente - (K-1 Hero's)
 * 🇦🇲 Karo Parisyan - (KOTC, UFC, WEC, Bellator)
 * Norman Parke - (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)
 * 🇺🇸 Estevan Payan - (UFC, Strikeforce, Bellator)
 * 🇺🇸 Joe Pearson - (WEC, PRIDE, Adrenaline MMA, Shooto, Pancrase)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Ross Pearson - (UFC, CWFC)
 * 🇧🇷 André Pederneiras - (UFC, VTJ)
 * 🇦🇺 Tyson Pedro - (UFC)
 * Willie Peeters - (Pride, RINGS)
 * 🇺🇸 Eric Pele - (RINGS, KOTC, MFC)
 * 🇺🇸 Kurt Pellegrino - (UFC, WEC, Bellator, Pancrase)
 * 🇺🇸 Sherman Pendergarst - (UFC, KOTC, Bellator, Adrenaline MMA, YAMMA)
 * 🇮🇪 Cathal Pendred - (CWFC, UFC)
 * 🇺🇸 B.J. Penn - (K-1, K-1 Hero's, UFC)
 * 🇧🇷 Godofredo Pepey - (UFC)
 * 🇺🇸 Robbie Peralta - (UFC, Strikeforce)
 * 🇲🇽 Alejandro Pérez - (UFC)
 * 🇲🇽 Érik Pérez - (WEC, UFC, BAMMA)
 * 🇦🇺 Anthony Perosh - (UFC, Shooto)
 * 🇧🇷 Thiago Perpétuo - (UFC, Jungle Fight)
 * 🇨🇿 Viktor Pešta - (UFC)
 * 🇺🇸 Seth Petruzelli - (KOTC, UFC, EliteXC, WEC, BAMMA, Bellator)
 * 🇺🇸 Anthony Pettis - (WEC, UFC)
 * 🇺🇸 Sergio Pettis - (RFA, UFC)
 * 🇺🇸 Forrest Petz - (UFC, KOTC, Adrenaline MMA)
 * 🇺🇸 Nam Phan - (K-1 Hero's, KOTC, Strikeforce, Sengoku, WEC, UFC, TPF)
 * 🇨🇾 Costas Philippou - (UFC)
 * 🇺🇸 Adam Piccolotti - (Bellator)
 * 🇺🇸 Vinc Pichel - (UFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Brad Pickett - (Cage Rage, K-1 Hero's, WEC, UFC)
 * 🇺🇸 Mike Pierce - (WEC, UFC)
 * 🇨🇦 Sean Pierson - (UFC)
 * 🇺🇸 Daniel Pineda - (UFC, Bellator, EliteXC)
 * 🇺🇸 Craig Pittman - (VTJ)
 * 🇺🇸 Mike Plotcheck - (PRIDE)
 * 🇺🇸 Dustin Poirier - (WEC, UFC)
 * Igor Pokrajac - (UFC, Jungle Fight, K-1, KSW)
 * 🇺🇸 John Polakowski - (UFC, WEC)
 * 🇺🇸 Mike Polchlopek
 * 🇲🇽 Marco Polo Reyes - (UFC)
 * 🇿🇦 Ruan Potts - (UFC)
 * 🇧🇷 Wagner Prado - (UFC)
 * Trevor Prangley - (MFC, Strikeforce, UFC, KOTC, Bellator, DREAM, SFL)
 * 🇧🇷 Carlo Prater - (MFC, PFC, VTJ, WEC, UFC)
 * 🇧🇷 Michel Prazeres - (UFC, Jungle Fight, Shooto)
 * 🇺🇸 Brent Primus - (Bellator)
 * 🇺🇸 Eric Prindle - (Bellator)
 * 🇺🇸 Joe Proctor - (UFC)
 * 🇧🇷 Bruno Pucci - (OneFC)
 * 🇺🇸 Daniel Puder - (Strikeforce)
 * 🇵🇱 Mariusz Pudzianowski - (KSW)
 * 🇺🇸 Jens Pulver - (IFL, PRIDE, Shooto, UFC, WEC, OneFC, Titan FC)
 * 🇺🇸 CM Punk - (UFC)
 * 🇺🇸 Mike Pyle - (EliteXC, IFL, Strikeforce, Affliction, MFC, Shooto, WEC, UFC)

Q

 * 🇺🇸 Bao Quach - (Strikeforce, ShoXC, WEC, KOTC, Shooto, Affliction, Bellator, M-1)
 * 🇺🇸 Nathan Quarry - (KOTC, UFC)
 * 🇧🇷 Vinicius Queiroz - (UFC, Bellator)
 * 🇺🇸 Dan Quinn
 * 🇲🇽 José Alberto Quiñónez - (UFC

R

 * 🇺🇸 Benji Radach - (UFC, Strikeforce, IFL, WEC, KOTC, EliteXC, MFC, Bellator)
 * 🇧🇬 Jordan Radev - (UFC, BAMMA, M-1, RINGS, KSW)
 * 🇺🇸 Ricky Rainey - (XFC, Bellator)
 * 🇺🇸 Hector Ramirez - (KOTC, UFC, Bellator, TPF)
 * 🇧🇷 Luis Ramos - (Shooto, DEEP, UFC)
 * 🇧🇷 Ricardo Ramos - (LFA, UFC)
 * 🇺🇸 Kevin Randleman (†) - (PRIDE, UFC, Sengoku, Strikeforce)
 * 🇺🇸 Ed Ratcliff - (WEC)
 * 🇺🇸 Gideon Ray - (UFC, IFL, KOTC)
 * Levan Razmadze - (DEEP)
 * 🇧🇷 Rafael Rebello - (WEC)
 * 🇺🇸 J.P. Reese - (Bellator, XFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Alex Reid - (Pancrase, Cage Rage, BAMMA)
 * 🇺🇸 Chad Reiner - (UFC, KOTC, Adrenaline MMA, Bellator)
 * 🇺🇸 Jason Reinhardt - (UFC, KOTC)
 * 🇧🇷 Wilson Reis - (Bellator, ShoXC, CWFC, UFC)
 * Goran Reljić - (UFC, KSW)
 * 🇲🇽 Yahir Reyes - (Bellator)
 * Gastón Reyno - (Bellator)
 * 🇺🇸 Eric Reynolds - (Bellator, XFC)
 * 🇺🇸 Johnny Rhodes - (UFC)
 * 🇧🇷 Alexandre Ribeiro - (Sengoku)
 * 🇧🇷 Saulo Ribeiro
 * 🇧🇷 Vitor Ribeiro - (WFA, Shooto, Cage Rage, K-1 Hero's, DREAM, Strikeforce)
 * 🇧🇷 Will Ribeiro - (WEC, Shooto)
 * 🇨🇦 Mike Ricci - (Bellator, UFC, Titan FC)
 * 🇺🇸 Matt Ricehouse - (Strikeforce)
 * 🇺🇸 Mike Richman - (Bellator)
 * 🇺🇸 David Rickels - (Bellator)
 * 🇺🇸 Matthew Riddle - (Bellator, UFC, Titan FC)
 * 🇺🇸 Jeremiah Riggs - (Bellator, Strikeforce)
 * 🇺🇸 Joe Riggs - (K-1, UFC, WEC, Strikeforce, BFC)
 * 🇺🇸 Aaron Riley - (UFC, PRIDE, IFL, Shooto)
 * 🇨🇦 Nick Ring - (Bellator, DEEP, UFC)
 * 🇺🇸 Mike Rio - (UFC)
 * 🇺🇸 Shannon Ritch - (PRIDE, WEC, MFC, KOTC, Pancrase, MFC)
 * 🇺🇸 Dante Rivera - (UFC, Bellator, IFL)
 * 🇺🇸 Francisco Rivera - (UFC, WEC, TPF)
 * 🇺🇸 Jimmie Rivera - (KOTC, Bellator, WSOF, Cage Rage)
 * 🇺🇸 Jorge Rivera - (UFC, Cage Rage, CWFC, UFC)
 * 🇧🇷 Pedro Rizzo - (PRIDE, UFC, Affliction, M-1)
 * 🇺🇸 Andre Roberts - (UFC, WEC)
 * 🇺🇸 Daniel Roberts - (UFC, Titan FC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Danny Roberts - (CWFC, UFC)
 * 🇺🇸 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)
 * 🇲🇽 Jose "Dos Caras, Jr." Rodríguez - (DEEP, PRIDE)
 * 🇺🇸 Ricco Rodriguez - (KOTC, PRIDE, UFC, WEC, WFA, IFL, EliteXC, BAMMA, Bellator, YAMMA)
 * 🇲🇽 Yair Rodríguez - (UFC)
 * 🇺🇸 Brett Rogers - (Bellator, Strikeforce, EliteXC, Titan FC)
 * 🇺🇸 Brian Rogers - (Bellator, Strikeforce)
 * 🇺🇸 Shane Roller - (WEC, UFC)
 * 🇺🇸 Ricardo Romero - (UFC)
 * 🇨🇺 Yoel Romero - (UFC, Strikeforce)
 * 🇨🇦 Jesse Ronson - (UFC)
 * 🇺🇸 George Roop - (WEC, UFC)
 * 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)
 * 🇺🇸 Jake Rosholt - (UFC, WEC, Bellator, Titan FC)
 * 🇺🇸 Jared Rosholt - (UFC, Titan FC, WSOF)
 * 🇺🇸 Kevin Rosier - (UFC)
 * 🇺🇸 Nick Rossborough - (Strikeforce, KOTC, KSW, Bellator)
 * 🇺🇸 Ben Rothwell - (M-1, KOTC, IFL, Adrenaline MMA, Affliction, UFC)
 * 🇺🇸 Rick Roufus - (Strikeforce)
 * 🇺🇸 Chad "Akebono" Rowan - (K-1 Hero's)
 * 🇧🇷 Mauricio "Shogun" Rua - (PRIDE, UFC)
 * 🇧🇷 Murilo "Ninja" Rua - (Cage Rage, EliteXC, Strikeforce, PRIDE, DREAM, BAMMA, Shooto)
 * 🇧🇷 Marco Ruas - (IFL, PRIDE, UFC)
 * 🇺🇸 Gabe Ruediger - (WEC, UFC, PFC)
 * 🇺🇸 Anthony Ruiz - (KOTC, WEC, EliteXC, Strikeforce, ShoXC, PFC, TPF)
 * 🇺🇸 Mike Russow - (UFC, PRIDE, Adrenaline MMA)
 * 🇳🇱 Bas Rutten - (Pancrase, UFC, WFA)

S

 * 🇺🇸 Amir Sadollah - (UFC)
 * 🇺🇸 Frankie Saenz - (KOTC, UFC)
 * 🇧🇪 Tarec Saffiedine - (Shooto, DREAM, Strikeforce, UFC)
 * 🇯🇵 Tomoyuki Saito - (Shooto)
 * 🇯🇵 Yukio Sakaguchi - (Pancrase, Shooto, DREAM, Sengoku)
 * 🇯🇵 Kazuhiro Sakamoto - (Shooto)
 * 🇯🇵 Mitsuhiro Sakamoto - (Shooto)
 * 🇮🇹 Alessio Sakara - (CWFC, MFC, Jungle Fight, UFC, Bellator)
 * 🇯🇵 Wataru Sakata - (PRIDE, RINGS)
 * 🇯🇵 Kazushi "Gracie Hunter" Sakuraba - (K-1 Hero's, PRIDE, UFC, DREAM)
 * 🇯🇵 Naoki Sakurada - (Shooto, VTJ)
 * 🇯🇵 Hayato Sakurai - (VTJ, DEEP, PRIDE, Shooto, UFC, DREAM)
 * 🇺🇸 Justin Salas - (UFC)
 * 🇺🇸 Ivan Salaverry - (K-1, Shooto, UFC, WFA, BAMMA)
 * 🇧🇷 Marcello Salazar - (IFL)
 * 🇺🇸 Sean Salmon - (UFC, Strikeforce, KOTC)
 * 🇺🇸 John Salter - (UFC, XFC, Adrenaline MMA, KOTC)
 * 🇦🇿 Zabit Samedov
 * 🇺🇸 Josh Samman - (UFC, XFC)
 * 🇺🇸 Josh Sampo - (UFC)
 * 🇺🇸 Angelo Sanchez - (KOTC, Bellator)
 * 🇺🇸 Diego Sanchez - (KOTC, UFC)
 * 🇺🇸 Eddie Sanchez - (KOTC, UFC, Bellator, Titan FC)
 * 🇧🇷 Marlon Sandro - (Bellator, Sengoku, Pancrase, Shooto)
 * 🇯🇵 Naoki Sano - (Pancrase, PRIDE)
 * 🇧🇷 Giva Santana - (Bellator, ShoXC, TPF)
 * 🇧🇷 Jorge Santiago - (UFC, Strikeforce, Sengoku, KOTC, Titan FC, WSOF)
 * 🇧🇷 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, Bellator)
 * 🇺🇸 Bob Sapp - (K-1, K-1 Hero's, PRIDE, DREAM, SFL, OneFC, KSW)
 * 🇧🇷 Daniel Sarafian - (Bellator, UFC)
 * 🇧🇷 Diego Saraiva - (UFC, Bellator, PFC, TPF)
 * 🇷🇺 Alexander Sarnavskiy - (Bellator, M-1)
 * 🇯🇵 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)
 * 🇯🇵 Rumina Sato - (Shooto, VTJ)
 * 🇯🇵 Takenori Sato - (Sengoku, DEEP, Pancrase, K-1 Hero's, UFC)
 * 🇺🇸 Ben Saunders - (UFC, Titan FC, Bellator)
 * 🇺🇸 Townsend Saunders - (UFC)
 * Irshaad Sayed - (OneFC)
 * 🇺🇸 Lumumba Sayers - (Strikeforce)
 * 🇦🇺 Ian Schaffa - (Shooto, K-1, K-1 Hero's, Sengoku)
 * 🇺🇸 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)
 * 🇫🇷 Samy Schiavo - (Cage Rage, CWFC, UFC)
 * 🇺🇸 Joe Schilling - (ShoXC, Bellator)
 * 🇳🇱 Semmy Schilt - (Pancrase, RINGS, UFC, PRIDE, K-1 Hero's)
 * 🇺🇸 Adam Schindler - (Bellator, Strikeforce)
 * 🇺🇸 Matt Schnell - (LFC)
 * Bob Schrijber - (RINGS, PRIDE, M-1)
 * 🇺🇸 Mark Schultz - (UFC, Jungle Fight)
 * 🇺🇸 Ryan Schultz - (WEC, IFL, Sengoku)
 * 🇺🇸 Justin Scoggins - (UFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Brad Scott - (UFC)
 * Neil Seery - (UFC, Cage Rage, CWFC, BAMMA)
 * 🇳🇿 Ray Sefo - (K-1 Hero's, Strikeforce, WSOF)
 * 🇳🇿 Rony Sefo - (PRIDE)
 * 🇯🇵 Yasuto Sekishima - (Shooto)
 * 🇺🇸 Pete Sell - (UFC)
 * 🇷🇺 Andrei Semenov - (M-1, PRIDE, UFC)
 * 🇺🇸 Mackens Semerzier - (UFC, WEC)
 * 🇷🇺 Alex Serdyukov - (WEC)
 * 🇺🇸 Matt Serra - (UFC)
 * 🇨🇴 Fredy Serrano
 * 🇺🇸 Dan "The Beast" Severn - (KOTC, VTJ, PRIDE, UFC, WEC, MFC)
 * 🇺🇸 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)
 * 🇺🇸 Sean Sherk - (KOTC, PRIDE, UFC)
 * 🇯🇵 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)
 * 🇯🇵 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)
 * 🇯🇵 Yuki Shoujou - (Shooto)
 * 🇺🇸 Sam Sicilia - (UFC)
 * 🇷🇺 Kirill Sidelnikov - (Affliction, M-1)
 * 🇺🇸 Steven Siler - (UFC, TPF)
 * 🇦🇸 Siala-Mou "Mighty Mo" Siliga - (K-1 Hero's, Bellator)
 * 🇧🇷 Anderson "The Spider" Silva - (Cage Rage, PRIDE, Shooto, UFC)
 * 🇧🇷 Antônio "Bigfoot" Silva - (K-1 Hero's, EliteXC, CWFC, Sengoku, Strikeforce, UFC)
 * 🇧🇷 Assuerio Silva - (Pancrase, Jungle Fight, UFC, PRIDE)
 * 🇧🇷 Cláudio Silva - (BAMMA, SFL, UFC)
 * 🇧🇷 Erick Silva - (Jungle Fight, UFC)
 * 🇧🇷 Jay Silva - (UFC, KSW, Bellator, MFC, TPF)
 * 🇧🇷 Joaquim Silva - (UFC)
 * 🇧🇷 Paulo "Giant" Silva - (K-1 Hero's, PRIDE)
 * 🇧🇷 Rafael Silva - (Bellator)
 * 🇧🇷 Thiago Silva - (Pancrase, Shooto, UFC, WSOF)
 * 🇧🇷 Wanderlei "The Axe Murderer" Silva - (PRIDE, UFC)
 * 🇧🇷 Elias Silvério - (UFC, Jungle Fight)
 * 🇺🇸 Aaron Simpson - (UFC, WEC, WSOF)
 * 🇺🇸 Heath Sims - (Pancrase)
 * 🇺🇸 Wes Sims - (K-1, IFL, Strikeforce, WEC, UFC)
 * 🇺🇸 Lodune Sincaid - (WEC, UFC, WFA, PFC)
 * 🇺🇸 Rory Singer - (PRIDE, KOTC, UFC, MFC)
 * 🇦🇺 Elvis Sinosic - (Cage Rage, Pancrase, UFC, K-1, RINGS)
 * 🇩🇪 Dennis Siver - (UFC, CWFC)
 * 🇺🇸 Chas Skelly - (UFC, Bellator)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Matt Skelton - (PRIDE)
 * 🇺🇸 Shanon Slack - (Bellator)
 * 🇺🇸 Joe Slick - (UFC, RINGS)
 * 🇺🇸 Ray Sloan - (Bellator)
 * 🇵🇱 Paul Slowinski - (KSW)
 * Kestutis Smirnovas - (RINGS, PRIDE, Shooto, K-1, K-1 Hero's)
 * 🇺🇸 Anthony Smith - (Strikeforce, UFC, Bellator)
 * 🇺🇸 Colton Smith - (M-1, UFC)
 * 🇺🇸 David Smith - (Strikeforce)
 * 🇺🇸 Jordan Smith - (Bellator)
 * 🇺🇸 Maurice "Mo" 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)
 * 🇹🇭 Rambaa Somdet - (Shooto, DEEP, PFC)
 * 🇺🇸 Joe Son - (PRIDE, UFC)
 * 🇺🇸 Chael Sonnen - (Pancrase, WEC, 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)
 * 🇺🇸 Bobby Southworth - (Strikeforce, UFC, PRIDE)
 * 🇧🇷 Cristiano Souza - (Bellator)
 * 🇧🇷 Kevin Souza - (UFC, Jungle Fight)
 * 🇧🇷 Ronaldo Souza - (UFC, Strikeforce, DREAM, Jungle Fight)
 * 🇸🇪 Andreas Spång - (Bellator, MFC, Strikeforce)
 * 🇸🇪 Chris Spång - (Strikeforce, UFC)
 * 🇺🇸 Ron Sparks - (Bellator)
 * 🇺🇸 Tom Speer - (WEC, UFC)
 * 🇺🇸 Sean Spencer - (UFC, Bellator)
 * 🇧🇷 Mario Sperry - (Cage Rage, PRIDE)
 * Ben Spijkers - (Shooto)
 * 🇺🇸 Waachiim Spiritwolf - (Bellator, Strikeforce, KOTC, TPF)
 * 🇺🇸 Dan Spohn - (Bellator, UFC)
 * 🇸🇷 Tyrone Spong - (WSOF)
 * 🇺🇸 Jeremy Spoon - (Bellator, KOTC)
 * 🇺🇸 Pete Spratt - (MFC, Strikeforce, UFC)
 * 🇺🇸 Ron Stallings - (Strikeforce, UFC)
 * 🇺🇸 Brian Stann - (WEC, UFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Martin Stapleton - (Bellator, Cage Rage)
 * 🇺🇸 Clifford Starks - (UFC, Bellator, WSOF)
 * 🇨🇦 Kalib Starnes - (UFC, WSOF, Titan FC)
 * 🇺🇸 Steve Steinbeiss - (WEC, UFC, Bellator)
 * 🇦🇲 Akop Stepanyan - (Bellator, M-1)
 * 🇺🇸 Jeremy Stephens - (UFC)
 * 🇺🇸 Aljamain Sterling - (UFC)
 * 🇺🇸 Joe Stevenson - (KOTC, UFC)
 * 🇨🇦 Trevor Stewardson - (KOTC)
 * 🇺🇸 Luke Stewart - (Strikeforce)
 * 🇺🇸 Alex Stiebling - (WEC, Pancrase, PRIDE, UFC, WFA)
 * 🇺🇸 Tyler Stinson - (Strikeforce, Bellator, WSOF, Titan FC)
 * 🇺🇸 Ken Stone - (UFC, WEC)
 * 🇺🇸 Rick Story - (UFC)
 * 🇨🇦 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)
 * Stefan Struve - (UFC, M-1)
 * 🇯🇵 Masanori Suda - (DEEP, Pride, Shooto)
 * 🇯🇵 Genki Sudo - (K-1, K-1 Hero's, RINGS, Pancrase, UFC)
 * 🇯🇵 Takashi Sugiura - (Pancrase, PRIDE)
 * 🇺🇸 George Sullivan - (UFC)
 * 🇦🇲 Amar Suloev - (M-1, Pancrase, PRIDE FC, UFC)
 * 🇯🇵 Mitsuhisa Sunabe - (Pancrase, DEEP)
 * Jason Suttie - (PRIDE)
 * 🇯🇵 Masato Suzuki - (Shooto)
 * 🇯🇵 Minoru Suzuki - (DEEP, Pancrase)
 * 🇯🇵 Nobutatsu Suzuki - (VTJ, OneFC)
 * 🇯🇵 Shinichi "Wakakirin Shinichi" Suzukawa
 * 🇺🇸 Cub Swanson - (UFC, WEC, KOTC)
 * 🇺🇸 Mike Swick - (UFC, WEC)
 * 🇺🇸 Tim Sylvia - (UFC, Affliction, Adrenaline MMA, OneFC, Titan FC)

T

 * 🇯🇵 Noboru Tahara - (Shooto, Pancrase)
 * 🇬🇺 Joe Taimanglo - (Bellator)
 * 🇦🇹 Mairbek Taisumov - (M-1, UFC)
 * 🇬🇺 Jesse Taitano - (Shooto, VTJ)
 * 🇯🇵 Nobuhiko Takada - (PRIDE)
 * 🇯🇵 Kazuo Takahashi - (Pancrase, Sengoku, PRIDE, UFC, K-1 Hero's)
 * 🇯🇵 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)
 * 🇯🇵 Akitoshi Tamura - (Shooto, WEC, Sengoku, Pancrase)
 * 🇯🇵 Issei Tamura - (UFC, Shooto)
 * 🇯🇵 Kiyoshi Tamura - (DREAM, DEEP, K-1, K-1 Hero's, PRIDE, RINGS)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Jason Tan - (UFC)
 * 🇯🇵 Kenichi Tanaka - (Shooto)
 * 🇯🇵 Michinori Tanaka - (Shooto, UFC)
 * 🇯🇵 Tomohiro Tanaka - (Shooto)
 * 🇺🇸 Evan Tanner - (Pancrase, UFC)
 * 🇺🇸 Manny Tapia - (KOTC, WEC, TPF)
 * 🇯🇵 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, 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 Tesanovic - (Bellator)
 * 🇺🇸 Brandon Thatch - (UFC, Strikeforce)
 * 🇨🇦 Elias Theodorou - (UFC, Bellator)
 * 🇧🇷 Paulo Thiago - (UFC, Jungle Fight)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 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)
 * 🇺🇸 Skylar Tidwell - (UFC)
 * 🇺🇸 Darren Till - (UFC)
 * 🇧🇷 Ricardo Tirloni - (Bellator, MFC)
 * Zaza Tkeshelashvili - (RINGS)
 * 🇯🇵 Hideo Tokoro - (Shooto, Pancrase, K-1, K-1 Hero's, RINGS, DREAM, VTJ)
 * 🇯🇵 Kazuki Tokudome - (UFC, Pancrase, KSW, DEEP, Sengoku)
 * 🇯🇵 Takashi Tojo - (Shooto)
 * 🇨🇦 Shawn Tompkins
 * 🇺🇸 Tyler Toner - (UFC, WEC, Strikeforce)
 * 🇺🇸 James Toney - (UFC)
 * 🇧🇬 Georgi Tonkov - (RINGS)
 * 🇺🇸 Miguel Torres - (WEC, UFC, WSOF)
 * 🇺🇸 Justin Torrey - (Bellator)
 * 🇧🇷 Roberto Traven - (UFC, RINGS, Adrenaline MMA)
 * 🇺🇸 Alexander Trevino - (Strikeforce)
 * 🇺🇸 Frank Trigg - (VTJ, PRIDE, Shooto, UFC, WFA)
 * 🇧🇷 Francisco Trinaldo - (Jungle Fight, UFC)
 * 🇸🇪 Tor Troéng - (UFC)
 * 🇺🇸 Abel Trujillo - (UFC)
 * 🇷🇺 Michail Tsarev - (Bellator)
 * 🇺🇸 Chris Tuchscherer - (YAMMA, UFC)
 * 🇬🇺 Jon Tuck - (UFC)
 * Jumabieke Tuerxun - (UFC)
 * 🇷🇺 Zubaira Tukhugov - (CWFC, UFC)
 * 🇺🇸 Teila Tuli - (UFC)
 * 🇷🇺 Albert Tumenov - (UFC, ACB)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Gary Turner - (Cage Rage)

U

 * 🇯🇵 Masakatsu Ueda - (Shooto, OneFC, Bellator)
 * 🇯🇵 Kyuhei Ueno - (Shooto)
 * 🇯🇵 Ryuki Ueyama - (DEEP, K-1 Hero's, Pancrase, PRIDE, RINGS, AOW)
 * 🇧🇷 Christian Uflacker - (Bellator, Strikeforce)
 * 🇷🇺 Gasan Umalatov - (M-1, UFC)
 * 🇯🇵 Caol Uno - (K-1, K-1 Hero's, Shooto, VTJ, DREAM, UFC)
 * 🇯🇵 Yasuhiro Urushitani - (UFC, Shooto, DEEP, OneFC)
 * 🇷🇺 Alexander Ustinov
 * 🇯🇵 Hayate Usui - (Shooto)
 * 🇺🇸 Darren Uyenoyama - (UFC, Strikeforce, Shooto, DREAM)

V

 * Egidijus Valavicius - (RINGS, PRIDE, Shooto, K-1, K-1 Hero's, Bellator)
 * 🇺🇸 Bart Vale - (RINGS)
 * 🇺🇸 Charlie Valencia - (UFC, WEC)
 * 🇺🇸 Isaac Vallie-Flagg - (UFC, Strikeforce, KOTC)
 * 🇺🇸 Mike Van Arsdale - (UFC, WFA)
 * 🇺🇸 Matt Van Buren - (UFC, Bellator)
 * 🇺🇸 Ron van Clief - (UFC)
 * 🇸🇷 Lloyd van Dams - (PRIDE)
 * 🇬🇾 Carey Vanier - (Bellator)
 * 🇺🇸 Paul Varelans - (Pancrase, RINGS, 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)
 * 🇸🇰 Attila Vegh - (Bellator, KSW, Shooto)
 * 🇺🇸 🇲🇽 Cain Velasquez - (UFC, Strikeforce)
 * Bojan Veličković - (RFA), UFC)
 * 🇨🇿 Karlos Vemola - (UFC)
 * Jerrel Venetiaan - (RINGS, PRIDE)
 * 🇺🇸 Brandon Vera - (UFC, WEC)
 * 🇧🇷 Renato Verissimo - (UFC, EliteXC)
 * 🇮🇹 Marvin Vettori - (UFC
 * 🇧🇷 Hugo Viana - (UFC)
 * 🇧🇷 Vitor Vianna - (Bellator)
 * 🇺🇸 James Vick - (UFC)
 * 🇧🇷 David Vieira
 * 🇧🇷 Milton Vieira - (UFC, Strikeforce, DEEP, PRIDE, M-1, Shooto)
 * 🇨🇦 Steve Vigneault - (UFC)
 * 🇨🇺 Alexis Vila - (PFC, Bellator, WSOF)
 * 🇺🇸 Gian Villante - (Strikeforce, UFC)
 * 🇺🇸 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)
 * 🇺🇸 Jason Von Flue - (Strikeforce, WEC, KOTC, UFC)
 * 🇺🇦 Igor Vovchanchyn - (PRIDE)
 * Dick Vrij - (RINGS)

W

 * 🇺🇸 Chris Wade - (UFC)
 * 🇺🇸 Abe Wagner - (Bellator, Titan FC)
 * 🇺🇸 TJ Waldburger - (UFC)
 * 🇺🇸 Donny Walker - (KOTC, UFC, Bellator)
 * 🇺🇸 Herschel Walker - (Strikeforce)
 * 🇺🇸 Crafton Wallace - (UFC, Strikeforce, KOTC)
 * 🇺🇸 Rodney Wallace - (UFC, M-1, MFC, KSW, Bellator)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Jim Wallhead - (Bellator, BAMMA, CWFC)
 * 🇺🇸 Cory Walmsley - (UFC)
 * 🇦🇺 Richard Walsh - (UFC)
 * 🇧🇷 Erik Wanderley
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Curt Warburton - (UFC, BAMMA, CWFC, KSW)
 * 🇺🇸 Brennan Ward - (Bellator)
 * 🇯🇵 Yasushi Warita - (Shooto)
 * 🇺🇸 Brian Warren - (Strikeforce, KOTC, Bellator)
 * 🇺🇸 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)
 * Royston Wee - (UFC)
 * 🇺🇸 Brent Weedman - (Bellator)
 * 🇩🇪 Daniel Weichel - (Bellator, BAMMA, M-1, CWFC)
 * 🇺🇸 Allan Weickert - (WEC, KOTC, Bellator)
 * 🇺🇸 Chris Weidman - (UFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Mark Weir - (UFC, WEC, Cage Rage, PRIDE, Pancrase)
 * 🇭🇺 Christian Wellisch - (KOTC, Shooto, WEC, 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)
 * 🇺🇸 Jay White - (WEC, Bellator, XFC)
 * 🇺🇸 Vernon White - (Strikeforce, PRIDE, UFC, Pancrase, IFL, KOTC, WFA)
 * 🇺🇸 Mike Whitehead - (UFC, Strikeforce, Affliction, M-1, IFL, WEC)
 * 🇳🇿 Robert Whittaker - (UFC)
 * 🇺🇸 Justin Wilcox - (Strikeforce, Bellator)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Mike Wilkinson - (UFC)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 James Wilks - (UFC, KOTC)
 * 🇺🇸 Carter Williams - (Strikeforce)
 * 🇺🇸 Jeremy Williams
 * 🇺🇸 Joe Williams - (Bellator, KOTC)
 * 🇺🇸 Patrick Williams - UFC
 * 🇺🇸 Pete Williams - (RINGS, UFC, Pancrase, KOTC)
 * 🇺🇸 Rubin Williams - (DREAM)
 * 🇺🇸 Steve Williams - (K-1)
 * 🇺🇸 Tedd Williams - (UFC, KOTC)
 * 🇺🇸 Chris Wilson - (KOTC, IFL, UFC, Shooto)
 * 🇺🇸 Matt Wiman - (UFC)
 * 🇺🇸 Eddie Wineland - (UFC, WEC, Shooto)
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Andre Winner - (UFC, BAMMA, CWFC, Cage Rage, KSW)
 * 🇺🇸 Eric Wisely - (UFC, Strikeforce, Bellator)
 * 🇺🇸 Keith Wisniewski - (UFC, Shooto, IFL, M-1)
 * 🇺🇸 Travis Wiuff - (Jungle Fight, Bellator, UFC, IFL, PRIDE, Sengoku, KOTC, YAMMA)
 * 🇺🇸 Brandon Wolff - (K-1, UFC, WEC, EliteXC)
 * 🇺🇸 Lloyd Woodard - (Bellator, Titan FC, KOTC)
 * 🇺🇸 Tyron Woodley - (Strikeforce, UFC)
 * 🇺🇸 Cal Worsham - (UFC, KOTC)
 * 🇵🇱 Andrzej Wronski

Y

 * 🇺🇸 Eddie Yagin - (UFC, WFA, PFC, TPF)
 * 🇧🇷 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)
 * 🇯🇵 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)
 * 🇯🇵 Ryushi Yanagisawa - (Pancrase, RINGS, DEEP)
 * 🇰🇷 Dongi Yang - (UFC, DEEP)
 * 🇺🇸 Emmanuel Yarborough - (UFC, Shooto, PRIDE)
 * 🇺🇸 Cale Yarbrough - (UFC, KOTC, Strikeforce)
 * 🇯🇵 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)
 * 🇰🇷 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)
 * Gilbert Yvel - (RINGS, PRIDE, UFC, Affliction, M-1, K-1)

Z

 * 🇺🇸 Luke Zachrich - (KOTC, Bellator, UFC)
 * Marius Žaromskis - (Cage Rage, Strikeforce, Bellator, DREAM)
 * 🇷🇺 Shamil Zavurov - (M-1, Bellator)
 * 🇷🇺 Mikhail Zayats - (M-1, Bellator)
 * 🇧🇷 João Zeferino - (UFC, WSOF)
 * 🇷🇺 Roman Zentsov - (M-1, PRIDE)
 * Lipeng Zhang - (UFC, AOW)
 * Tiequan Zhang - (UFC, WEC, AOW)
 * 🇸🇷 Errol Zimmerman - (K-1)
 * Catalin Zmarandescu - (BAMMA, K-1)
 * 🇷🇺 Nikolai Zouev - (RINGS)
 * 🇺🇸 Virgil Zwicker - (Bellator, Strikeforce, KSW)