Poids Mouches Hommes
 | Magomed Dukuev | 1-1-0 REC | #1908 |  |
 | Mahmoud Atef | 0-2-0 REC | #3736 |  |
 | Makoto Shinryu | 3-2-0, 1NC REC | #946 |  |
 | Maksatbek Uulu Rysbek | #7319 |  | |
 | Malcolm Gordon | 2-5-0 UFC | #2786 |  |
 | Malik Basahel | 6-0-0 REC | #553 |  |
 | Manel Kape | 7-3-0 UFC | #77 |  |
 | Mansur Nashaev | 1-0-0 REC | #2438 | |
 | Manuel Medina | 2-0-0 REC | #4462 |  |
 | Marciano Ferreira | 1-0-0 REC | #7106 |  |
 | Marcos Degli | 5-0-0 REC | #507 | |
| Marcus Vinicius Ferreira | 1-0-0 REC | #2971 | |
 | Mario Ferreira | 0-1-0 REC | #4906 |  |
 | Mark Climaco | 2-1-0 REC | #4467 | |
 | Masud Zamonov | 0-1-0 REC | #6507 |  |
 | Mateus Brauns | 0-1-0 REC | #5040 | |
 | Mateus Mendonca | 0-3-0 UFC | #3291 | |
 | Matheus Nicolau | 7-4-0 UFC | #1207 | |
 | Matheus Severino | 2-1-0 REC | #890 | |
| Matheus Silva | 0-1-0 REC | #5326 | |