Poids Plumes Hommes
 | Mairbek Aydaev | 1-1-0 REC | #2864 |  |
 | Mairon Santos | 4-0-0 UFC | #708 |  |
 | Makharbek Karginov | 4-1-0 REC | #672 | |
 | Makhmud Akimov | #7650 | | |
 | Makwan Amirkhani | 7-7-0 UFC | #1365 |  |
 | Malek Benmoussa | 2-0-0 REC | #7558 |  |
 | Malik Thompson | 1-0-0 REC | #727 |  |
 | Mamatkasym Akmatov | 0-1-0 REC | #6235 |  |
 | Manjoor Alam | #7548 |  | |
 | Manny Akpan | 0-1-0 REC | #7119 |  |
 | Manolo Zecchini | 0-2-0 UFC | #1962 |  |
 | Mansur Dzhamburaev | 1-1-0 REC | #2328 | |
 | Mansur Sadykov | 1-0-0 REC | #2148 | |
 | Manuel Exposito | 0-1-0 REC | #4370 |  |
 | Marcelo Rojo | 0-3-0 UFC | #3653 | |
 | Marcio Barbosa | 1-0-0 UFC | #229 | |
| Marco Hernandez | 0-1-0 REC | #7489 | |
 | Marco Novak | 4-2-0 REC | #1331 |  |
 | Marcondes Bastos | 0-1-0 REC | #7099 | |
 | Marcos Rodrigues | 0-3-0 REC | #3167 | |