Sorted alphabetically by last name · 2769 fighters
| Name | Nickname | |
|---|---|---|
| MA | Michael Aljarouj | "The Soldier" |
| MA | Michael Aswell Jr. | "The Texas Kid" |
| MB | Michael Bisping | "The Count" |
| MC | Michael Chandler | "Iron" |
| MC | Michael Chiesa | |
| MG | Michael Graves | |
| MJ | Michael Johnson | "The Menace" |
| MK |
| Michael Kuiper |
| MM | Michael McBride |
| MM | Michael McDonald | "Mayday" |