Tous les combattants
 | William Macario | 1-3-0 UFC | #4288 |  |
 | William Robert | 1-2-0 REC | #3520 |  |
 | William Sifran | 2-0-0 REC | #1072 |  |
 | William Starks | 1-0-0 REC | #6663 |  |
 | Willian Batista | 0-1-0 REC | #5523 | |
 | Willian Lima | #7888 | | |
 | Willie Gates | 1-3-0 UFC | #3759 | |
 | Wilson Charles | 1-0-0 REC | #7842 | |
 | Wilson Gouveia | 6-4-0 UFC | #2128 | |
 | Wilson Lopshire | 1-0-0 REC | #964 | |
 | Wilson Reis | 7-6-0 UFC | #907 | |
 | Wilson Varela | 4-3-0 REC | #1974 | |
 | Wily Pereira | 1-2-0 REC | #2745 | |
 | Windri Patilima | 0-1-0 REC | #7094 |  |
 | Wissame Akhmouch | 3-3-0 REC | #1888 |  |
 | Wladmir Gouvea | 2-0-0 REC | #5212 | |
 | Wojciech Janusz | 1-1-0 REC | #4898 |  |
 | Wojciech Kawa | 1-2-0 REC | #2853 | |
 | Wojciech Kazieczko | 3-3-0 REC | #2503 | |
 | Won Bin Ki | 3-3-0 REC | #2165 |  |
 | Won Il Kwon | 0-1-0 REC | #4708 | |
 | Wuliji Buren | 0-3-0 UFC | #3941 |  |
 | Wuziazibieke Jiahefu | 0-1-0 REC | #7634 | |
 | Xander White | 0-1-0 REC | #6678 | |
 | Xavier Alaoui | 1-2-0 REC | #3045 |  |