Poids Mi-Moyens Hommes
 | Martin Kampmann | 11-6-0 UFC | #794 |  |
 | Martin Mucha | 0-1-0 REC | #7631 |  |
 | Masayuki Kikuiri | 3-2-0 REC | #2408 |  |
 | Mashrabjon Ruziboev | #6840 |  | |
 | Mate Kertesz | 7-8-0 REC | #1910 |  |
 | Matej Kuznik | 4-5-0 REC | #2951 |  |
 | Mateusz Figlak | 2-1-0 REC | #2186 |  |
 | Mateusz Pawlik | 2-0-0 REC | #2198 | |
 | Mateusz Wieczorek | 1-0-0 REC | #1905 |  |
 | Matheus Felipe Dino | 1-0-0 REC | #7511 |  |
 | Mathieu Abbe | 0-1-0 REC | #3843 |  |
 | Mathieu Chaumont | 2-0-0 REC | #6868 | |
 | Mathieu Rakotondrazanany | 1-0-0 REC | #2213 | |
 | Mathieu Szymborski | 1-0-0 REC | #1252 | |
 | Mathis Biout | 1-0-0 REC | #7670 | |
| Mathis Chevalier | #7868 | | |
 | Matias Juarez | 0-1-0 REC | #7226 |  |
 | Matous Kohout | 7-7-0 REC | #1216 | |
 | Matt Arroyo | 1-2-0 UFC | #3682 |  |
 | Matt Brown | 17-13-0 UFC | #240 | |