Tous les combattants
 | Yacine Haddad | 1-1-0 REC | #4736 |  |
 | Yadier DelValle | 3-1-0 UFC | #243 |  |
 | Yadwinder Singh | 0-1-0 REC | #6314 |  |
 | Yahaya Yahuza | 0-1-0 REC | #6336 |  |
 | Yair Rodriguez | 11-4-0, 1NC UFC | #93 |  |
 | Yakub Bersanukaev | 1-0-1 REC | #2823 |  |
 | Yakub Kediev | 2-0-0 REC | #1754 | |
 | Yakub Sulimanov | #6977 | | |
 | Yakup Ataev | 0-1-0 REC | #6137 | |
 | Yamato Nishikawa | 0-3-0 REC | #4241 |  |
 | Yan Cabral | 2-3-0 UFC | #3410 |  |
 | Yan Xiaonan | 9-4-0 UFC | #107 |  |
 | Yana Gadelha | 0-1-0 REC | #6535 | |
 | Yana Santos | 7-5-0 UFC | #194 | |
 | Yanal Ashmouz | 2-2-0 UFC | #1850 |  |
 | Yanan Wu | 1-5-0 UFC | #3199 | |
 | Yancy Medeiros | 6-8-0, 1NC UFC | #1551 |  |
 | Yanis Bekhtaoui | 1-1-0 REC | #7539 | |
 | Yanis Collier | 1-0-0 REC | #2087 | |
 | Yanis Ghemmouri | 0-2-0 UFC | #1523 | |
 | Yaniss Noirmain | 1-1-0 REC | #5344 | |
 | Yann Liasse | 1-2-0, 1NC REC | #4229 |  |
 | Yannick Bahati | 1-0-1 REC | #3115 |  |
 | Yannis Osmani | 0-1-0 REC | #4014 |  |
 | Yaotzin Meza | 2-4-0, 1NC UFC | #3622 | |