Poids Légers Hommes
 | Arda Adas | 1-2-0 REC | #6086 |  |
 | Arijan Topallaj | 5-2-0 REC | #583 | |
 | Aris Arguello | 0-2-0 REC | #6752 |  |
 | Arman Tsarukyan | 10-2-0 UFC | #31 |  |
 | Arnaldo Moska | 0-1-0 REC | #6540 |  |
 | Artem Buloychik | 0-2-0 REC | #5114 |  |
 | Artem Reznikov | 1-3-1 REC | #2233 |  |
 | Arthur Estrazulas | 0-1-0 REC | #7534 | |
 | Arthur Lima | 0-0-1 REC | #5285 | |
 | Artur Krawczyk | 0-2-0 REC | #4733 |  |
 | Artur Minev | 0-1-0 UFC | #3771 |  |
 | Arturo Izquierdo | #8159 |  | |
 | Arturs Leisans | 0-2-0 REC | #5085 |  |
 | Arut Pogosjan | 0-1-0 REC | #7424 |  |
 | Ashkan Morvari | 1-0-0 REC | #7476 | |
 | Ashleigh Grimshaw | 0-1-0 REC | #7252 |  |
 | Assem Ghanem | 1-0-0 REC | #3558 |  |
 | Attila Korkmaz | 3-6-0 REC | #1872 |  |
 | Augustine Hahn | #8146 | | |
 | Aureo Cruz | 0-1-0, 1NC REC | #5637 |  |