Poids Légers Hommes
 | Mateusz Makarowski | 2-1-0 REC | #1997 |  |
 | Mateusz Rebecki | 4-4-0 UFC | #802 | |
 | Matheus Camilo | 2-1-0 UFC | #268 |  |
 | Mathias Poiron | 1-3-0 REC | #2658 |  |
 | Mathieu Rogez | 1-0-0 REC | #7731 | |
 | Matt Camilleri | 2-2-0 REC | #3789 |  |
 | Matt Chapman | 0-1-0 REC | #7461 |  |
 | Matt Frevola | 5-6-1 UFC | #665 | |
 | Matt Leonard | 1-0-0 REC | #7279 | |
 | Matt Wiman | 10-8-0 UFC | #1058 | |
| Matthew Chenault | 0-1-0 REC | #6054 | |
 | Maurice Adorf | 0-1-0 REC | #5753 |  |
 | Maurice Morris | 0-2-0 REC | #5136 | |
 | Mauricio Rodriguez | 1-0-0 REC | #6977 | |
 | Mauricio Ruffy | 5-1-0 UFC | #66 | |
 | Max Holloway | 24-9-0 UFC | #5 | |
 | Max Metzgar | #7774 | | |
 | Max Rohskopf | 0-1-0 UFC | #4884 | |
 | Maxim Radu | 1-1-0 REC | #6874 |  |
| Maxime Lefevre | 0-1-0 REC | #7725 | |