Poids Moyens Hommes
 | Maki Pitolo | 1-5-0 UFC | #3090 |  |
 | Maksymilian Kowalski | 0-1-0 REC | #6057 |  |
 | Malik Abdurakhmanov | 3-0-0 REC | #858 |  |
 | Mamed Khalidov | 3-1-0 REC | #2386 | |
 | Mansur Abdul-Malik | 3-1-0, 1NC UFC | #489 | |
 | Mantas Kondratavicius | 1-0-0 UFC | #589 |  |
 | Manuel Delmoko | 1-0-0 REC | #626 |  |
 | Marc-Andre Barriault | 6-10-0, 1NC UFC | #692 |  |
 | Marcel Fortuna | 1-2-0 UFC | #3858 |  |
 | Marcelo Guimaraes | 2-2-0 UFC | #3436 | |
 | Marcio Cabral | 1-1-0 REC | #2015 | |
 | Marcio Martins | 0-1-0 REC | #6735 | |
 | Marco Tulio | 2-1-0 UFC | #955 | |
| Marcos Vinicius | 0-1-0 REC | #5158 | |
 | Marcus Nash | 1-0-0 REC | #974 | |
 | Marek Jakimowicz | 1-1-0 REC | #5446 | |
 | Marek Mazuch | 3-4-0 REC | #2906 |  |
 | Mario Mingaj | 2-2-0 REC | #2982 |  |
 | Mario Miranda | 1-3-0 UFC | #3979 | |
 | Mario Sousa | 1-2-0 REC | #5016 | |