Poids Légers Hommes
 | Will Brooks | 1-3-0 UFC | #3140 |  |
 | Will Davis | 0-1-0 REC | #6314 | |
 | Willamy Freire | 0-1-0 UFC | #7191 |  |
 | William Starks | 1-0-0 REC | #6597 | |
 | Willian Batista | 0-1-0 REC | #5424 | |
 | Wilson Charles | 1-0-0 REC | #7738 |  |
 | Wilson Lopshire | 1-0-0 REC | #724 | |
 | Wilson Varela | 4-3-0 REC | #1979 | |
 | Windri Patilima | 0-1-0 REC | #6962 |  |
 | Wojciech Kawa | 1-2-0 REC | #2714 |  |
 | Won Bin Ki | 3-3-0 REC | #2057 |  |
 | Wuziazibieke Jiahefu | 0-1-0 REC | #7494 |  |
 | Xavier Judge | 2-0-0 REC | #1680 | |
 | Xavier Zeruth | #7917 | | |
 | Yamato Nishikawa | 0-3-0 REC | #4111 |  |
 | Yan Cabral | 2-3-0 UFC | #3402 | |
 | Yanal Ashmouz | 2-2-0 UFC | #1889 |  |
 | Yancy Medeiros | 6-8-0, 1NC UFC | #1558 | |
| Yanis Collier | 1-0-0 REC | #1880 | |
 | Yaniss Noirmain | 1-1-0 REC | #5231 | |