Tous les combattants
 | Yaozong Hu | 0-3-0 UFC | #4428 |  |
 | Yaroslav Amosov | 2-0-0 UFC | #261 |  |
 | Yasir Iliev | 1-0-0 REC | #2141 |  |
 | Yasmin Castanho | 1-1-0 REC | #5035 |  |
 | Yasmin Guimaraes | 3-1-0 REC | #3635 | |
 | Yassin Chtatou | #3547 |  | |
 | Yassin Najid | 0-3-0 REC | #3354 | |
 | Yassine Boughanem | 0-1-0 REC | #3293 |  |
 | Yasubey Enomoto | 0-1-0 REC | #5465 |  |
 | Yasuhiro Urushitani | 0-2-0 UFC | #5042 |  |
 | Yawei Ren | 1-1-0 REC | #2829 | |
 | Yazan Hajeh | 0-1-0 REC | #5023 |  |
 | Yazeed Hasanain | 0-2-0 REC | #5298 |  |
 | Yazid Chouchane | 2-2-0 REC | #2976 | |
 | Yazmin Jauregui | 3-2-0 UFC | #2568 |  |
 | Ye Dam Seo | 0-2-0 REC | #5709 |  |
 | Ye Ji Lee | 0-1-0 REC | #6610 | |
 | Yehia Gheitta | 0-1-0 REC | #6330 |  |
 | Yermakhan Oryntaev | 0-2-0 REC | #4302 |  |
 | Yevhenii Orlov | #7889 | | |
 | Yi Sak Lee | 0-1-0 UFC | #3361 | |
 | Yibugele | 0-2-0 REC | #5883 | |
 | Yilizhati Maimaitijiang | #7937 | | |
 | Yincang Bao | 0-2-0 REC | #6502 | |
 | Ylian Belhadj | 1-0-0 REC | #7932 | |