Tous les combattants
 | Archie Colgan | 9-0-0 REC | #549 |  |
 | Arda Adas | 1-2-0 REC | #5618 |  |
 | Aren Akopyan | 2-0-0 REC | #1271 |  |
 | Argemiro Delmandes | 0-1-0 REC | #5863 |  |
 | Arian Sadikovic | 1-0-0 REC | #1037 |  |
 | Ariana Melendez | 0-1-0 REC | #5871 | |
 | Ariane Carnelossi | 3-3-0 UFC | #2364 | |
 | Ariane da Silva | 6-8-0 UFC | #457 | |
 | Ariel Beck | 0-1-0 UFC | #5892 | |
 | Arif Krasniqi | 1-0-0 REC | #1765 |  |
 | Arijan Topallaj | 4-2-0 REC | #783 | |
 | Aris Arguello | 0-2-0 REC | #6138 | |
 | Arisa Matsuda | 1-0-0 REC | #2692 |  |
 | Aristides Vinicius | 2-1-0 REC | #1004 | |
 | Arivaldo Lima da Silva | 0-1-0 REC | #6250 | |
 | Arjan Bhullar | 3-1-0 UFC | #2923 |  |
 | Arkadiusz Mruk | 0-1-0 REC | #6615 |  |
 | Arkadiusz Wrzosek | 7-1-0 REC | #498 | |
 | Arlene Blencowe | 1-2-0 REC | #4873 |  |
 | Arman Ospanov | 0-1-0 REC | #6515 |  |
 | Arman Tsarukyan | 10-2-0 UFC | #29 | |
 | Armand Herczeg | 1-2-0 REC | #616 |  |
 | Armando Villarreal | 0-1-0 REC | #4833 | |
 | Armani Webster | 0-1-0 REC | #5388 | |
 | Armen Petrosyan | 3-4-0 UFC | #1191 | |