| Fighter | Record | Last Bout |
|---|---|---|
| Michal Figlak | 8-2-0 | 2024-04-27 |
| Micheal Gillmore | 6-5-0 | 2022-02-26 |
| Michel Batista | 4-1-0 (1 NC) | 2018-11-30 |
| Michel Prazeres | 26-4-0 | 2021-06-26 |
| Michel Quinones | 8-3-0 | 2017-11-11 |
| Michelle Waterson-Gomez | 18-13-0 | 2024-06-29 |
| Michihiro Omigawa | 17-14-1 | 2012-08-04 |
| Michinori Tanaka | 11-3-0 | 2017-02-04 |
| Mickael Lebout | 16-7-1 (1 NC) | 2015-10-24 |
| Miguel Baeza | 10-4-0 | 2024-06-08 |
| Miguel Torres | 44-9-0 | 2012-04-21 |
| Mike Breeden | 11-6-0 | 2023-10-21 |
| Mike Brown | 26-9-0 | 2013-08-17 |
| Mike Ciesnolevicz | 19-4-0 (1 NC) | 2009-06-20 |
| Mike Easton | 13-6-0 | 2014-06-14 |
| Mike Grundy | 12-4-0 | 2022-03-19 |
| Mike Guymon | 15-6-1 | 2011-01-22 |
| Mike Jackson | 1-2-0 (1 NC) | 2022-10-15 |
| Mike King | 5-1-0 | 2014-07-19 |
| Mike Kyle | 22-14-1 (2 NC) | 2005-02-05 |
| Mike Lullo | 8-3-0 | 2011-09-17 |
| Mike Massenzio | 13-9-0 | 2012-05-05 |
| Mike Nickels | 9-5-0 | 2007-07-07 |
| Mike Perry | 14-8-0 | 2021-04-10 |
| Mike Pierce | 17-7-0 | 2015-12-11 |
| Mike Pyle | 27-14-1 | 2018-03-03 |
| Mike Rhodes | 10-5-0 | 2014-12-20 |
| Mike Ricci | 11-5-0 | 2013-09-21 |
| Mike Rio | 10-5-0 | 2014-01-25 |
| Mike Rodriguez | 11-7-0 (1 NC) | 2021-09-18 |
| Mike Russow | 15-3-0 (1 NC) | 2013-01-26 |
| Mike Santiago | 19-12-0 | 2018-06-09 |
| Mike Stumpf | 11-4-0 | 2013-01-26 |
| Mike Swick | 15-6-0 | 2015-07-11 |
| Mike Wessel | 15-8-0 | 2008-12-27 |
| Mike Whitehead | 27-8-0 | 2006-02-04 |
| Mike Wilkinson | 9-4-0 | 2016-02-27 |
| Mike de la Torre | 14-7-0 (1 NC) | 2017-04-08 |
| Mike van Arsdale | 8-5-0 | 2006-02-04 |
| Mikey Burnett | 5-2-0 | 1999-01-08 |
| Milana Dudieva | 11-6-0 | 2016-11-19 |
| Milton Vieira | 13-8-2 | 2013-01-19 |
| Minoki Ichihara | 0-1-0 | 1994-03-11 |
| Miranda Granger | 7-3-0 | 2022-08-06 |
| Mirko Filipovic | 35-11-2 (1 NC) | 2015-04-11 |
| Mirsad Bektic | 13-4-0 | 2020-09-19 |
| Misha Cirkunov | 15-9-0 | 2022-10-15 |
| Mitch Clarke | 11-5-0 | 2017-09-09 |
| Mitch Gagnon | 12-5-0 | 2019-05-04 |
| Mizuto Hirota | 18-10-2 | 2018-12-01 |