Poids Plumes Hommes
 | Xavier Rosenbloom | 1-0-0 REC | #7217 |  |
 | Xavier Vines | 2-2-0 REC | #3812 | |
 | Yadier DelValle | 2-1-0 UFC | #1178 |  |
 | Yair Rodriguez | 11-4-0, 1NC UFC | #97 |  |
 | Yakup Ataev | 0-1-0 REC | #5806 |  |
 | Yanis Ghemmouri | 0-2-0 UFC | #1421 |  |
 | Yaotzin Meza | 2-4-0, 1NC UFC | #3488 | |
 | Yassin Chtatou | #3486 | | |
 | Yazeed Hasanain | 0-2-0 REC | #4936 |  |
 | Yibugele | 0-2-0 REC | #5684 |  |
 | Yong Chul Kwon | 1-0-0 REC | #2613 |  |
 | Yoshiki Nakahara | 0-2-0 REC | #5233 |  |
 | Yoshitomi Mishima | 0-2-0 UFC | #5673 | |
 | Young Jae Song | 2-1-0 REC | #475 | |
 | Youssef Al Housani | #7074 |  | |
 | Youssef Zalal | 8-4-1 UFC | #125 |  |
 | Yudi Cahyadi | 0-1-0 REC | #5538 |  |
 | Yuele Huang | 0-1-0 REC | #5534 | |
 | Yuhei Tsuda | 1-0-0 REC | #2761 | |
 | Yui Chul Nam | 1-2-0 UFC | #4254 | |