Sorted alphabetically by last name · 2729 fighters
| Name | Nickname | |
|---|---|---|
| AD | Alexis Davis | |
| AD | Alexis Dufresne | "Sneaky Zebra" |
| AA | Alfonso Alcarez | |
| AA | Ali AlQaisi | "The Royal Fighter" |
| AB | Ali Bagautinov | "Puncher" |
| AK | Aliaskhab Khizriev | "Black Wolf" |
| AI | Alibi Idiris | |
| AA |
| Alice Ardelean |
| AP | Alice Pereira | "Golden Girl" |
| AO | Alistair Overeem | "The Demolition Man" |