Sorted alphabetically by last name · 2707 fighters
| Name | Nickname | |
|---|---|---|
| AB | Arjan Bhullar | |
| AT | Arman Tsarukyan | "Ahalkalakets" |
| AP | Armen Petrosyan | "Superman" |
| AA | Arnold Allen | "Almighty" |
| AL | Artem Lobov | "The Russian Hammer" |
| AM | Artur Minev | "Headhunter" |
| AC | Asbel Cancio | |
| AM | Ashkan Mokhtarian | "The Assassin" |
| AE | Ashlee Evans-Smith | "Rebel Girl" |
| AY | Ashley Yoder | "SpiderMonkey" |