Poids Légers Hommes
 | Will Brooks | 1-3-0 UFC | #3195 |  |
 | Will Davis | 0-1-0 REC | #6465 | |
 | Willamy Freire | 0-1-0 UFC | #7486 |  |
 | William Starks | 1-0-0 REC | #6675 | |
 | Willian Batista | 0-1-0 REC | #5661 | |
 | Wilson Charles | 1-0-0 REC | #7874 |  |
 | Wilson Lopshire | 1-1-0 REC | #1009 | |
 | Wilson Varela | 4-3-0 REC | #1967 | |
 | Windri Patilima | 0-1-0 REC | #7215 |  |
 | Wojciech Kawa | 1-2-0 REC | #2932 |  |
 | Won Bin Ki | 3-3-0 REC | #2233 |  |
 | Wuziazibieke Jiahefu | 0-1-0 REC | #7701 |  |
 | Xavier Judge | 2-0-0 REC | #1923 | |
 | Xavier Zeruth | #8046 | | |
 | Yamato Nishikawa | 0-3-0 REC | #4264 |  |
 | Yan Cabral | 2-3-0 UFC | #3432 | |
 | Yanal Ashmouz | 2-2-0 UFC | #1862 |  |
 | Yancy Medeiros | 6-8-0, 1NC UFC | #1537 | |
| Yanis Collier | 1-0-0 REC | #2120 | |
 | Yaniss Noirmain | 1-1-0 REC | #5316 | |