Poids Mouches Hommes
 | Mark Climaco | 2-1-0 REC | #4589 |  |
 | Masud Zamonov | 0-1-0 REC | #6647 |  |
 | Mateus Brauns | 0-1-0 REC | #5179 |  |
 | Mateus Mendonca | 0-3-0 UFC | #3365 | |
 | Matheus Nicolau | 7-4-0 UFC | #1255 | |
 | Matheus Severino | 2-1-0 REC | #1066 | |
 | Matheus Silva | 0-1-0 REC | #5484 | |
 | Matt Schnell | 7-8-0, 1NC UFC | #904 | |
 | Matthew Friel | 0-2-0 REC | #4810 |  |
 | Mauro Gutierrez | 0-1-0 REC | #6662 |  |
 | Maxim Kozhevnikov | 1-0-0 REC | #3095 |  |
 | Maximilien Vallot | 1-1-0 REC | #4949 |  |
 | Micah Haas | 1-0-0 REC | #5103 | |
 | Michael Aljarouj | 1-0-0 REC | #7587 |  |
 | Michael Reyes | 0-1-0 REC | #5654 | |
 | Michelangelo Lupoli | 3-3-0 REC | #2577 |  |
 | Miguel Sanson | 1-1-0 REC | #5072 | |
 | Mitch Raposo | 1-2-0 UFC | #1553 | |
| Mizamiddin Mirlan Uulu | #7641 |  | |
 | Mkhitar Barseghyan | 3-1-0 REC | #1027 |  |