Poids Plumes Hommes
 | Magomed Abdulaev | 1-0-0 REC | #7738 |  |
 | Magomed Bayduev | 1-0-0 REC | #6708 |  |
| Magomed Khidriev | #8185 | | |
 | Magomed Termulaev | 0-1-0 REC | #5583 | |
 | Magomed-Amin Chaniev | 1-0-0 REC | #2183 | |
 | Maike Linhares | #7720 |  | |
 | Mairbek Aydaev | 1-2-0 REC | #2967 | |
 | Mairon Santos | 4-0-0 UFC | #814 | |
 | Makharbek Karginov | 4-1-0 REC | #1361 | |
| Makhmud Akimov | #8054 | | |
 | Makwan Amirkhani | 7-7-0 UFC | #1410 |  |
 | Malek Benmoussa | 2-0-0 REC | #7046 | |
 | Malik Bendaho | 1-0-0 REC | #1939 |  |
 | Malik Thompson | 1-0-0 REC | #1674 |  |
 | Mamatkasym Akmatov | 0-1-0 REC | #6774 |  |
 | Manjoor Alam | #7963 |  | |
 | Manny Akpan | 0-1-0 REC | #7675 |  |
 | Manolo Zecchini | 0-2-0 UFC | #2134 |  |
 | Manuel Exposito | 0-2-0 REC | #3585 |  |
 | Marcelo Rojo | 0-3-0 UFC | #3924 | |