Tous les combattants
 | Yincang Bao | 0-2-0 REC | #6491 |  |
 | Ylian Belhadj | 1-0-0 REC | #7816 |  |
 | Ylies Djiroun | 3-3-0 REC | #439 | |
| Yntymak Glamidin | 0-1-0 REC | #6085 |  |
 | Yoel Romero | 9-4-0 UFC | #284 |  |
 | Yoga Prabowo | 0-2-0 REC | #6424 |  |
 | Yohan Lainesse | 1-3-0 UFC | #2639 |  |
 | Yohan Salvador | 1-3-0 REC | #3729 | |
 | Yoislandy Izquierdo | 0-2-0 UFC | #4627 | |
 | Yoji Anjo | 0-3-0 UFC | #4570 |  |
 | Yoko Higashi | 0-3-0 REC | #5188 | |
 | Yong Chul Kwon | 1-0-0 REC | #2747 |  |
 | Yoon Sung Jang | 0-1-0 REC | #5469 | |
 | Yorgan De Castro | 1-3-0 UFC | #2881 |  |
 | Yosdenis Cedeno | 1-3-0 UFC | #4074 | |
 | Yoshihiro Akiyama | 2-5-0 UFC | #2330 | |
 | Yoshiki Nakahara | 0-2-0 REC | #5364 | |
 | Yoshinori Horie | 0-1-0 UFC | #1248 | |
 | Yoshiro Maeda | 1-0-0 REC | #3443 | |
 | Yoshitomi Mishima | 0-2-0 UFC | #5718 | |
 | Yoshiyuki Yoshida | 2-3-0 UFC | #3432 | |
 | Yota Hayashi | #8030 | | |
 | You Min Shin | #7912 | | |
 | Youcef Ouabbas | 1-1-0 REC | #3683 | |
 | Younes Najid | 0-1-0 REC | #4878 | |