Tous les combattants
 | Ylies Djiroun | 3-3-0 REC | #696 |  |
 | Yntymak Glamidin | 0-1-0 REC | #6229 |  |
| Yoan Robert-Ramirez | 0-1-0 REC | #8101 |  |
 | Yoel Romero | 9-4-0 UFC | #305 |  |
 | Yoga Prabowo | 0-2-0 REC | #6678 |  |
 | Yohan Lainesse | 1-3-0 UFC | #2624 |  |
 | Yohan Salvador | 1-3-0 REC | #3825 | |
 | Yoislandy Izquierdo | 0-2-0 UFC | #4690 | |
 | Yoji Anjo | 0-3-0 UFC | #4622 |  |
 | Yoko Higashi | 0-3-0 REC | #5281 | |
 | Yong Chul Kwon | 1-0-0 REC | #2975 |  |
 | Yoon Sung Jang | 0-1-0 REC | #5549 | |
 | Yorgan De Castro | 1-3-0 UFC | #2928 |  |
 | Yosdenis Cedeno | 1-3-0 UFC | #4113 | |
 | Yoshihiro Akiyama | 2-5-0 UFC | #2373 | |
 | Yoshiki Nakahara | 0-2-0 REC | #5515 | |
 | Yoshinori Horie | 0-1-0 UFC | #1529 | |
 | Yoshiro Maeda | 1-0-0 REC | #3585 | |
 | Yoshitomi Mishima | 0-2-0 UFC | #5761 | |
 | Yoshiyuki Yoshida | 2-3-0 UFC | #3483 | |
 | Yota Hayashi | 1-0-0 REC | #852 | |
 | You Min Shin | #8033 | | |
 | Youcef Ouabbas | 1-1-0 REC | #3552 | |
 | Younes Najid | 0-1-0 REC | #5039 | |
 | Young Jae Song | 2-1-0 REC | #950 | |