Poids Plumes Hommes
 | Xavier Rosenbloom | 1-0-0 REC | #7167 |  |
 | Xavier Vines | 2-2-0 REC | #3955 | |
 | Yadier DelValle | 3-1-0 UFC | #287 |  |
 | Yair Rodriguez | 11-4-0, 1NC UFC | #230 |  |
 | Yakup Ataev | 0-1-0 REC | #6176 |  |
 | Yanis Bendhiaf | #8244 |  | |
 | Yanis Ghemmouri | 0-2-0 UFC | #1532 | |
 | Yaotzin Meza | 2-4-0, 1NC UFC | #3638 | |
 | Yassin Chtatou | #3560 | | |
 | Yazeed Hasanain | 0-2-0 REC | #5277 |  |
 | Yibugele | 0-2-0 REC | #5892 |  |
 | Yong Chul Kwon | 1-0-0 REC | #3012 |  |
 | Yoshiki Nakahara | 0-2-0 REC | #5578 |  |
 | Yoshitomi Mishima | 0-2-0 UFC | #5790 | |
 | Young Jae Song | 2-1-0 REC | #1006 | |
 | Youssef Al Housani | #7322 |  | |
 | Youssef Zalal | 8-4-1 UFC | #166 |  |
 | Yudi Cahyadi | 0-1-0 REC | #5562 |  |
 | Yuele Huang | 0-1-0 REC | #5692 | |
 | Yuhei Tsuda | 1-0-0 REC | #3175 | |