Poids Plumes Hommes
 | Yibugele | 0-2-0 REC | #5861 |  |
 | Yong Chul Kwon | 1-0-0 REC | #2867 |  |
 | Yoshiki Nakahara | 0-2-0 REC | #5432 |  |
 | Yoshitomi Mishima | 0-2-0 UFC | #5744 | |
 | Young Jae Song | 2-1-0 REC | #790 | |
 | Youssef Al Housani | #7258 |  | |
 | Youssef Zalal | 8-4-1 UFC | #136 |  |
 | Yudi Cahyadi | 0-1-0 REC | #5568 |  |
 | Yuele Huang | 0-1-0 REC | #5554 | |
 | Yuhei Tsuda | 1-0-0 REC | #3035 | |
 | Yui Chul Nam | 1-2-0 UFC | #4389 | |
 | Yuito Yanagawa | 0-1-0 REC | #5628 | |
 | Yuri Massacesi | #7708 |  | |
 | Yusup-Khadzhi Zubariev | 3-2-0 REC | #1523 |  |
 | Yuta Kubo | 0-2-0, 1NC REC | #3520 | |
 | Yutaka Saito | #7872 | | |
 | Yves Antibe Zanga | 0-1-0 REC | #5998 |  |
 | Yves Landu | 5-1-0 REC | #2134 |  |
 | Zabit Magomedsharipov | 6-0-0 UFC | #937 | |
 | Zachary Hicks | 0-2-0 REC | #5558 |  |