Tous les combattants
 | Xiaocan Feng | 0-1-0 UFC | #2715 |  |
 | Xiomara Piriz | 0-1-0 REC | #5717 |  |
 | Xiong Jingnan | 0-1-0 UFC | #3530 | |
 | Yabna N'Tchala | 3-1-0 REC | #1610 |  |
 | Yacine Haddad | 1-1-0 REC | #4745 |  |
 | Yadier DelValle | 3-1-0 UFC | #287 |  |
 | Yadwinder Singh | 0-1-0 REC | #6344 |  |
 | Yahaya Yahuza | 0-1-0 REC | #6327 |  |
 | Yair Rodriguez | 11-4-0, 1NC UFC | #230 |  |
 | Yakub Bersanukaev | 1-0-1 REC | #2873 |  |
 | Yakub Kediev | 2-0-0 REC | #1790 | |
 | Yakub Sulimanov | #6856 | | |
 | Yakup Ataev | 0-1-0 REC | #6176 | |
 | Yamato Nishikawa | 0-3-0 REC | #4264 |  |
 | Yan Cabral | 2-3-0 UFC | #3432 |  |
 | Yan Xiaonan | 9-4-0 UFC | #102 | |
 | Yana Gadelha | 0-1-0 REC | #6598 | |
 | Yana Santos | 7-5-0 UFC | #208 | |
 | Yanal Ashmouz | 2-2-0 UFC | #1862 |  |
 | Yanan Wu | 1-5-0 UFC | #3211 | |
 | Yancy Medeiros | 6-8-0, 1NC UFC | #1537 |  |
 | Yanis Bekhtaoui | 1-1-0 REC | #7539 | |
 | Yanis Bendhiaf | #8244 | | |
 | Yanis Collier | 1-0-0 REC | #2120 | |
 | Yanis Ghemmouri | 0-2-0 UFC | #1532 | |