Tous les combattants
 | Arian Sadikovic | 1-0-0 REC | #1963 |  |
 | Ariana Melendez | 0-1-0 REC | #6262 |  |
 | Ariane Carnelossi | 3-4-0 UFC | #2145 |  |
 | Ariane da Silva | 6-8-0 UFC | #755 | |
 | Ariel Beck | 0-1-0 UFC | #6060 | |
 | Arif Krasniqi | 1-0-0 REC | #2391 |  |
 | Arijan Topallaj | 5-2-0 REC | #423 |  |
 | Aris Arguello | 0-2-0 REC | #6587 | |
 | Arisa Matsuda | 1-1-0 REC | #2798 |  |
 | Aristides Vinicius | 3-1-0 REC | #302 | |
 | Arivaldo Lima da Silva | 0-1-0 REC | #6487 | |
 | Arjan Bhullar | 3-1-0 UFC | #3276 |  |
 | Arkadiusz Mruk | 0-1-0 REC | #7224 |  |
 | Arkadiusz Wrzosek | 7-2-0 REC | #882 | |
 | Arlene Blencowe | 1-2-0 REC | #5160 |  |
 | Arlind Berisha | #8077 |  | |
 | Arman Ospanov | 0-1-0 REC | #6436 |  |
 | Arman Tsarukyan | 10-2-0 UFC | #33 |  |
 | Armand Herczeg | 1-2-0 REC | #1568 |  |
 | Armando Villarreal | 0-1-0 REC | #5627 | |
 | Armani Webster | 0-1-0 REC | #5859 | |
 | Armen Petrosyan | 3-4-0 UFC | #1384 | |
 | Arnaldo Moska | 0-1-0 REC | #6380 | |
 | Arnaud Clamens | 0-1-0 REC | #7938 |  |
 | Arnaud Prigent | 2-1-0 REC | #1997 | |