Poids Légers Hommes
 | Yann Liasse | 1-2-0, 1NC REC | #4222 |  |
 | Yasir Iliev | 1-0-0 REC | #2178 |  |
 | Yawei Ren | 1-1-0 REC | #2883 |  |
 | Yazid Chouchane | 2-2-0 REC | #2990 |  |
 | Yincang Bao | 0-2-0 REC | #6554 | |
 | Ylian Belhadj | 1-0-0 REC | #7964 | |
 | Ylies Djiroun | 3-3-0 REC | #753 | |
 | Yoislandy Izquierdo | 0-2-0 UFC | #4721 |  |
 | Yoshinori Horie | 0-1-0 UFC | #1575 |  |
 | Yuji Yannick Ephoeviga | 0-1-0 REC | #5467 | |
 | Yuki Kawana | 0-3-0 REC | #6492 | |
 | Yuki Kondo | 1-2-0 UFC | #3716 | |
 | Yuri Villefort | 0-2-0 UFC | #4326 |  |
 | Yusuf Ali-Taleb | 1-1-0 REC | #2764 |  |
 | Yusuf Nazokatov | 2-2-0 REC | #924 |  |
 | Yusuf Raisov | 1-0-0 REC | #3357 | |
 | Yusuke Kasuya | 0-2-0 UFC | #4029 | |
 | Yusuke Yachi | 3-3-0 REC | #1101 | |
 | Yves Edwards | 10-10-0, 1NC UFC | #1000 | |
 | Zach Gehl | 0-1-0 REC | #7697 |  |