Poids Mouches Hommes
 | Magomed Dukuev | 1-1-0 REC | #2313 |  |
 | Magomed Zakarov | 1-0-0 REC | #850 | |
 | Mahmoud Atef | 0-2-0 REC | #4104 |  |
 | Makoto Shinryu | 5-2-0, 1NC REC | #247 |  |
 | Maksatbek Uulu Rysbek | #7615 |  | |
 | Malcolm Gordon | 2-5-0 UFC | #2889 |  |
 | Malik Basahel | 6-0-0 REC | #871 |  |
 | Manel Kape | 7-3-0 UFC | #87 |  |
 | Mansur Nashaev | 1-0-0 REC | #2920 | |
 | Mansur Sadykov | 1-1-0 REC | #2181 | |
 | Manuel Medina | 2-0-0 REC | #4657 |  |
 | Marciano Ferreira | 1-0-0 REC | #7521 |  |
 | Marcos Degli | 5-0-0 REC | #879 | |
| Marcus Vinicius Ferreira | 1-0-0 REC | #3349 | |
 | Mario Ferreira | 0-1-0 REC | #5199 |  |
 | Mark Climaco | 2-1-0 REC | #4637 | |
 | Masud Zamonov | 0-1-0 REC | #6808 |  |
 | Mateus Brauns | 0-1-0 REC | #5413 | |
 | Mateus Mendonca | 0-3-0 UFC | #3471 | |
 | Matheus Nicolau | 7-4-0 UFC | #1305 | |