Sorted alphabetically by last name · 2769 fighters
| Name | Nickname | |
|---|---|---|
| MF | Maiquel Falcao | "Big Rig" |
| MT | Mairbek Taisumov | "Beckan" |
| MS | Mairon Santos | "The Legend" |
| MM | Makhmud Muradov | |
| MP | Maki Pitolo | "Coconut Bombz" |
| MA | Makwan Amirkhani | "Mr. Finland" |
| MG | Malcolm Gordon | "X" |
| MW |
| Malcolm Wellmaker |
| "The Machine" |
| MM | Mallory Martin |
| MM | Mana Martinez | "ManaBoi" |