Poids Moyens Hommes
 | Mailton Azevedo | 0-1-0 REC | #5864 |  |
 | Maiquel Falcao | 1-0-0 UFC | #5652 | |
 | Makhmud Muradov | 4-2-0, 1NC UFC | #232 |  |
 | Maki Pitolo | 1-5-0 UFC | #3299 |  |
 | Maksymilian Kowalski | 0-1-0 REC | #6526 |  |
 | Malik Abdurakhmanov | 3-0-0 REC | #1466 |  |
 | Mamed Khalidov | 3-1-0 REC | #2515 | |
 | Mansur Abdul-Malik | 3-1-0, 1NC UFC | #709 | |
 | Mantas Kondratavicius | 1-0-0 UFC | #1095 |  |
 | Manuel Delmoko | 1-0-0 REC | #1348 |  |
 | Marc-Andre Barriault | 6-10-0, 1NC UFC | #821 |  |
 | Marcel Fortuna | 1-2-0 UFC | #4118 | |
 | Marcelo Guimaraes | 2-2-0 UFC | #3720 | |
 | Marcio Cabral | 2-1-0 REC | #832 | |
 | Marcio Martins | 0-1-0 REC | #7160 | |
 | Marco Tulio | 2-2-0 UFC | #829 | |
| Marcos Vinicius | 0-1-0 REC | #5378 | |
 | Marcus Nash | 2-0-0 REC | #770 | |
 | Marek Jakimowicz | 1-1-0 REC | #5905 | |
 | Marek Mazuch | 3-4-0 REC | #3199 |  |