Poids Légers Hommes
 | Wilson Charles | 1-0-0 REC | #7344 |  |
 | Wilson Varela | 4-2-0 REC | #1982 | |
 | Windri Patilima | 0-1-0 REC | #6677 |  |
 | Wojciech Kawa | 1-2-0 REC | #2223 |  |
 | Won Bin Ki | 3-3-0 REC | #1556 |  |
 | Wuziazibieke Jiahefu | 0-1-0 REC | #6899 |  |
 | Xavier Judge | 2-0-0 REC | #876 |  |
 | Yamato Nishikawa | 0-3-0 REC | #3706 |  |
 | Yan Cabral | 2-3-0 UFC | #3070 |  |
 | Yanal Ashmouz | 2-2-0 UFC | #1851 |  |
 | Yancy Medeiros | 6-8-0, 1NC UFC | #1513 | |
| Yaniss Noirmain | 1-0-0 REC | #7346 | |
 | Yann Liasse | 1-2-0, 1NC REC | #4032 |  |
 | Yawei Ren | 1-1-0 REC | #1967 | |
 | Yazid Chouchane | 2-2-0 REC | #2657 | |
 | Yincang Bao | 0-2-0 REC | #6205 | |
| Ylian Belhadj | 1-0-0 REC | #7366 | |
 | Ylies Djiroun | 2-3-0 REC | #745 | |
 | Yoislandy Izquierdo | 0-2-0 UFC | #4225 |  |
 | Yoshinori Horie | 0-1-0 UFC | #1812 | |