Sorted alphabetically by last name · 2729 fighters
| Name | Nickname | |
|---|---|---|
| AM | Alexander Munoz | |
| AV | Alexander Volkanovski | "The Great" |
| AV | Alexander Volkov | "Drago" |
| AY | Alexander Yakovlev | "Russian Thunder" |
| AR | Alexandr Romanov | "King Kong" |
| AB | Alexandre Barros | "Baixinho" |
| AD | Alexandre Dantas | "Cafe" |
| Alexandre Ferreira |
| "Cacareco" |
| AP | Alexandre Pantoja | "The Cannibal" |
| AT | Alexia Thainara | "Burguesinha" |