Poids Légers Hommes
 | Wojciech Kawa | 1-2-0 REC | #2685 |  |
 | Won Bin Ki | 3-3-0 REC | #2052 |  |
 | Wuziazibieke Jiahefu | 0-1-0 REC | #7494 |  |
 | Xavier Judge | 2-0-0 REC | #1662 |  |
 | Xavier Zeruth | #7909 | | |
 | Yamato Nishikawa | 0-3-0 REC | #4076 |  |
 | Yan Cabral | 2-3-0 UFC | #3398 |  |
 | Yanal Ashmouz | 2-2-0 UFC | #1897 |  |
 | Yancy Medeiros | 6-8-0, 1NC UFC | #1574 | |
 | Yanis Collier | 1-0-0 REC | #1859 |  |
 | Yaniss Noirmain | 1-1-0 REC | #5207 | |
 | Yann Liasse | 1-2-0, 1NC REC | #4172 |  |
 | Yasir Iliev | 1-0-0 REC | #1912 |  |
 | Yawei Ren | 1-1-0 REC | #2587 | |
 | Yazid Chouchane | 2-2-0 REC | #2958 | |
 | Yincang Bao | 0-2-0 REC | #6542 | |
| Ylian Belhadj | 1-0-0 REC | #7797 | |
 | Ylies Djiroun | 3-3-0 REC | #413 | |
 | Yoislandy Izquierdo | 0-2-0 UFC | #4613 |  |
 | Yoshinori Horie | 0-1-0 UFC | #1218 | |