Poids Plumes Hommes
 | Mackens Semerzier | 1-1-0, 1NC UFC | #4485 |  |
 | Mairon Santos | 4-0-0 UFC | #822 |  |
 | Makwan Amirkhani | 7-7-0 UFC | #1426 |  |
 | Manolo Zecchini | 0-2-0 UFC | #2075 |  |
 | Marcelo Rojo | 0-3-0 UFC | #3740 |  |
 | Marcio Barbosa | 1-0-0 UFC | #458 | |
 | Marcos Vinicius | 1-2-0 UFC | #4557 | |
 | Mark Eddiva | 1-3-0 UFC | #4049 |  |
 | Mark Hominick | 3-4-0 UFC | #2407 |  |
 | Mark Striegl | 0-2-0 UFC | #2812 | |
 | Martin Bravo | 1-3-0 UFC | #3716 |  |
 | Marwan Rahiki | 2-0-0 UFC | #162 |  |
 | Masanori Kanehara | 1-2-0 UFC | #3511 |  |
 | Masio Fullen | 1-2-0 UFC | #3974 | |
 | Matt Bessette | 0-2-0 UFC | #4888 | |
 | Matt Grice | 2-5-0 UFC | #3269 | |
 | Matt Sayles | 1-3-0 UFC | #3614 | |
 | Maximo Blanco | 4-5-0 UFC | #2430 |  |
 | Melquizael Costa | 7-3-0 UFC | #219 | |
 | Melsik Baghdasaryan | 3-2-0 UFC | #1552 |  |