Poids Légers Hommes
 | Arda Adas | 1-2-0 REC | #6028 |  |
 | Arijan Topallaj | 5-2-0 REC | #550 | |
 | Aris Arguello | 0-2-0 REC | #6703 |  |
 | Arman Tsarukyan | 10-2-0 UFC | #30 |  |
 | Arnaldo Moska | 0-1-0 REC | #6463 |  |
 | Artem Buloychik | 0-2-0 REC | #5063 |  |
 | Artem Reznikov | 1-3-1 REC | #2203 |  |
 | Arthur Estrazulas | 0-1-0 REC | #7502 | |
 | Arthur Lima | 0-0-1 REC | #5358 | |
 | Artur Krawczyk | 0-2-0 REC | #4715 |  |
 | Artur Minev | 0-1-0 UFC | #3834 |  |
 | Arturo Izquierdo | #8154 |  | |
 | Arturs Leisans | 0-2-0 REC | #5072 |  |
 | Arut Pogosjan | 0-1-0 REC | #7419 |  |
 | Ashkan Morvari | 1-0-0 REC | #7440 | |
 | Ashleigh Grimshaw | 0-1-0 REC | #7250 |  |
 | Assem Ghanem | 1-0-0 REC | #3526 |  |
 | Attila Korkmaz | 3-6-0 REC | #1848 |  |
 | Augustine Hahn | #8155 | | |
 | Aureo Cruz | 0-1-0, 1NC REC | #5601 |  |