Tous les combattants
 | Yannis Osmani | 0-1-0 REC | #4042 |  |
 | Yaotzin Meza | 2-4-0, 1NC UFC | #3539 |  |
 | Yaozong Hu | 0-3-0 UFC | #4349 |  |
 | Yaroslav Amosov | 2-0-0 UFC | #203 |  |
 | Yasir Iliev | 1-0-0 REC | #1939 |  |
 | Yasmin Castanho | 1-1-0 REC | #4904 |  |
 | Yasmin Guimaraes | 3-1-0 REC | #3533 | |
 | Yassin Chtatou | #3524 |  | |
 | Yassin Najid | 0-3-0 REC | #3241 | |
 | Yassine Boughanem | 0-1-0 REC | #3219 |  |
 | Yasubey Enomoto | 0-1-0 REC | #5379 |  |
 | Yasuhiro Urushitani | 0-2-0 UFC | #4992 |  |
 | Yawei Ren | 1-1-0 REC | #2619 | |
 | Yazan Hajeh | 0-1-0 REC | #5017 |  |
 | Yazeed Hasanain | 0-2-0 REC | #5089 |  |
 | Yazid Chouchane | 2-2-0 REC | #2966 | |
 | Yazmin Jauregui | 3-2-0 UFC | #2664 |  |
 | Ye Dam Seo | 0-2-0 REC | #5824 |  |
 | Ye Ji Lee | #8031 | | |
 | Yehia Gheitta | 0-1-0 REC | #6051 |  |
 | Yermakhan Oryntaev | 0-2-0 REC | #4149 |  |
 | Yevhenii Orlov | #7729 | | |
 | Yi Sak Lee | 0-1-0 UFC | #3782 | |
 | Yibugele | 0-2-0 REC | #5790 | |
 | Yilizhati Maimaitijiang | #8129 | |