Poids Légers Hommes
 | Mandel Nallo | 0-1-0 UFC | #1509 |  |
 | Manny Muro | 1-0-0 REC | #6860 |  |
 | Manoel Sousa | 1-0-0 UFC | #662 |  |
 | Mansher Khera | 1-0-0 REC | #3042 | |
 | Mansour Barnaoui | 3-3-0 REC | #2305 |  |
 | Mansur Dzhamburaev | 2-1-0 REC | #2790 |  |
 | Manuel Lancioli | 0-3-0 REC | #3501 |  |
 | Manuel Torres | 5-2-0 UFC | #271 |  |
 | Maraoune Bellagouit | 1-2-0 REC | #4288 |  |
 | Marat Balaev | 0-3-0 REC | #3695 | |
 | Marc Diakiese | 8-7-0 UFC | #849 |  |
 | Marc Ngatchou | 1-1-0 REC | #2002 |  |
 | Marcel Masa | 0-1-0 REC | #5635 |  |
 | Marcelo Marques | 3-1-0 REC | #2178 | |
 | Marcin Bandel | 0-2-0 UFC | #5383 |  |
 | Marcin Held | 1-3-0 UFC | #1065 | |
 | Marcin Wrzosek | 0-1-0 UFC | #6482 | |
 | Marcin Zembala | 0-1-0 REC | #7117 | |
 | Marco Elpidio | 0-2-0 REC | #4012 | |
 | Marco Polo Reyes | 4-4-0 UFC | #2446 | |