Poids Moyens Hommes
 | Mansur Abdul-Malik | 3-1-0, 1NC UFC | #696 |  |
 | Mantas Kondratavicius | 1-0-0 UFC | #930 |  |
 | Manuel Delmoko | 1-0-0 REC | #1104 |  |
 | Marc-Andre Barriault | 6-10-0, 1NC UFC | #763 |  |
 | Marcel Fortuna | 1-2-0 UFC | #4060 |  |
 | Marcelo Guimaraes | 2-2-0 UFC | #3628 | |
 | Marcio Cabral | 1-1-0 REC | #2354 | |
 | Marcio Martins | 0-1-0 REC | #7076 | |
 | Marco Tulio | 2-2-0 UFC | #872 | |
| Marcos Vinicius | 0-1-0 REC | #5285 | |
 | Marcus Nash | 2-0-0 REC | #511 | |
 | Marek Jakimowicz | 1-1-0 REC | #5834 |  |
 | Marek Mazuch | 3-4-0 REC | #3100 |  |
 | Mario Mingaj | 2-2-0 REC | #3173 |  |
 | Mario Miranda | 1-3-0 UFC | #4139 | |
 | Mario Sousa | 1-2-0 REC | #5227 | |
 | Mark Hughes | 1-0-0 UFC | #4822 | |
 | Mark Hulme | 1-2-0 REC | #2625 |  |
 | Mark Munoz | 9-6-0 UFC | #1228 | |
 | Mark Weir | 1-2-0 UFC | #3822 |  |