Poids Légers Hommes
 | Aris Arguello | 0-2-0 REC | #6587 |  |
 | Arman Tsarukyan | 10-2-0 UFC | #33 |  |
 | Arnaldo Moska | 0-1-0 REC | #6380 |  |
 | Artem Buloychik | 0-2-0 REC | #4960 |  |
 | Artem Reznikov | 1-3-1 REC | #2132 |  |
 | Arthur Estrazulas | 0-1-0 REC | #7468 | |
 | Arthur Lima | 0-0-1 REC | #5613 | |
 | Artur Krawczyk | 0-2-0 REC | #4681 |  |
 | Artur Minev | 0-1-0 UFC | #4098 |  |
 | Arturo Izquierdo | #8089 |  | |
 | Arturs Leisans | 0-2-0 REC | #5024 |  |
 | Arut Pogosjan | 0-1-0 REC | #7401 |  |
 | Ashkan Morvari | 1-0-0 REC | #7328 | |
 | Ashleigh Grimshaw | 0-1-0 REC | #7325 |  |
 | Assem Ghanem | 1-0-0 REC | #3466 |  |
 | Attila Korkmaz | 3-6-0 REC | #1792 |  |
 | Augustine Hahn | #8142 | | |
 | Aureo Cruz | 0-1-0, 1NC REC | #5495 |  |
 | Austin Hubbard | 4-8-0 UFC | #1909 | |
 | Axel Alfandari | #8078 |  |