Poids Plumes Hommes
 | Magomed-Amin Chaniev | 1-0-0 REC | #2099 |  |
 | Maike Linhares | #7684 |  | |
 | Mairbek Aydaev | 1-2-0 REC | #2920 | |
 | Mairon Santos | 4-0-0 UFC | #866 | |
 | Makharbek Karginov | 4-1-0 REC | #1258 | |
 | Makhmud Akimov | #8026 | | |
 | Makwan Amirkhani | 7-7-0 UFC | #1448 |  |
 | Malek Benmoussa | 2-0-0 REC | #7082 |  |
 | Malik Bendaho | 1-0-0 REC | #1864 |  |
 | Malik Thompson | 1-0-0 REC | #1536 |  |
 | Mamatkasym Akmatov | 0-1-0 REC | #6792 |  |
 | Manjoor Alam | #7925 |  | |
 | Manny Akpan | 0-1-0 REC | #7605 |  |
 | Manolo Zecchini | 0-2-0 UFC | #2127 |  |
 | Manuel Exposito | 0-1-0 REC | #4585 |  |
 | Marcelo Rojo | 0-3-0 UFC | #3894 | |
 | Marcio Barbosa | 1-0-0 UFC | #774 | |
| Marco Hernandez | 0-1-0 REC | #7629 | |
 | Marco Novak | 4-3-0 REC | #1635 |  |
 | Marcondes Bastos | 0-1-0 REC | #7539 | |