Poids Plumes Hommes
 | Mairbek Aydaev | 1-2-0 REC | #2746 |  |
 | Mairon Santos | 4-0-0 UFC | #853 |  |
 | Makharbek Karginov | 4-1-0 REC | #964 | |
 | Makhmud Akimov | #7866 | | |
 | Makwan Amirkhani | 7-7-0 UFC | #1437 |  |
 | Malek Benmoussa | 2-0-0 REC | #7137 |  |
 | Malik Bendaho | 1-0-0 REC | #1563 |  |
 | Malik Thompson | 1-0-0 REC | #1146 |  |
 | Mamatkasym Akmatov | 0-1-0 REC | #6482 |  |
 | Manjoor Alam | #7764 |  | |
 | Manny Akpan | 0-1-0 REC | #7412 |  |
 | Manolo Zecchini | 0-2-0 UFC | #2112 |  |
 | Mansur Dzhamburaev | 1-1-0 REC | #2656 | |
 | Manuel Exposito | 0-1-0 REC | #4496 |  |
 | Marcelo Rojo | 0-3-0 UFC | #3776 | |
 | Marcio Barbosa | 1-0-0 UFC | #486 | |
| Marco Hernandez | 0-1-0 REC | #7641 | |
 | Marco Novak | 4-3-0 REC | #1423 |  |
 | Marcondes Bastos | 0-1-0 REC | #7382 | |
 | Marcos Rodrigues | 0-3-0 REC | #3403 | |