Poids Mi-Moyens Hommes
 | Mark Holst | 0-2-0 UFC | #4959 |  |
 | Mark Lemminger | 0-2-0 REC | #4804 |  |
 | Mark Martin | 0-1-0 REC | #5517 | |
 | Mark Scanlon | 0-1-0 UFC | #6026 |  |
 | Marko Kisic | 0-1-0 REC | #6590 |  |
 | Martin Camilo | 2-0-0 REC | #1189 |  |
 | Martin Causse | 0-1-0 REC | #5909 |  |
 | Martin Kampmann | 11-6-0 UFC | #728 |  |
 | Martin Mucha | 0-1-0 REC | #7226 |  |
 | Masayuki Kikuiri | 3-1-0 REC | #2101 |  |
 | Mashrabjon Ruziboev | #6322 |  | |
 | Mate Kertesz | 7-6-0 REC | #1756 |  |
 | Matej Kuznik | 3-5-0 REC | #2856 |  |
 | Mateusz Figlak | 2-1-0 REC | #1517 |  |
 | Mateusz Pawlik | 2-0-0 REC | #1522 | |
 | Matheus Felipe Dino | 1-0-0 REC | #6973 |  |
 | Mathieu Chaumont | 1-0-0 REC | #7556 | |
 | Mathieu Rakotondrazanany | 1-0-0 REC | #1553 | |
| Mathis Biout | 1-0-0 REC | #7356 | |
 | Matias Juarez | 0-1-0 REC | #6624 |  |