Tous les combattants
 | Ye Ji Lee | 0-1-0 REC | #5928 |  |
 | Yehia Gheitta | 0-1-0 REC | #6704 |  |
 | Yermakhan Oryntaev | 0-2-0 REC | #4597 |  |
 | Yevhenii Orlov | #8149 |  | |
 | Yi Sak Lee | 0-1-0 UFC | #3180 | |
 | Yibugele | 0-2-0 REC | #6035 |  |
 | Yilizhati Maimaitijiang | 0-0-1 REC | #1674 | |
 | Yincang Bao | 0-2-0 REC | #6693 | |
 | Ylian Belhadj | 1-0-0 REC | #8131 |  |
 | Ylies Djiroun | 4-3-0 REC | #228 | |
| Yntymak Glamidin | 0-1-0 REC | #6501 |  |
| Yoan Robert-Ramirez | 0-1-0 REC | #5314 |  |
 | Yoel Romero | 9-4-0 UFC | #327 |  |
 | Yoga Prabowo | 0-2-0 REC | #7030 |  |
 | Yohan Lainesse | 1-3-0 UFC | #2710 |  |
 | Yohan Salvador | 1-3-0 REC | #4000 | |
 | Yoislandy Izquierdo | 0-2-0 UFC | #4863 | |
 | Yoji Anjo | 0-3-0 UFC | #4767 |  |
 | Yoko Higashi | 0-3-0 REC | #5544 | |
 | Yong Chul Kwon | 1-0-0 REC | #3313 | |
 | Yoon Sung Jang | 0-1-0 REC | #5767 | |
 | Yorgan De Castro | 1-3-0 UFC | #3039 |  |
 | Yosdenis Cedeno | 1-3-0 UFC | #4240 | |
 | Yoshihiro Akiyama | 2-5-0 UFC | #2353 | |
 | Yoshiki Nakahara | 0-2-0 REC | #5872 | |