Tous les combattants
 | Julien Pierre Lopez | 2-3-0 REC | #2552 |  |
 | Juliet Ukah | 3-0-0 REC | #697 |  |
 | Julieta Martinez | 1-0-0 REC | #3217 |  |
 | Julija Pajic | 0-2-0 REC | #4693 |  |
 | Julija Stoliarenko | 2-7-0 UFC | #2460 |  |
 | Julio Arce | 6-4-0 UFC | #1347 |  |
 | Julio Cesar Neves | 0-2-0 REC | #4897 |  |
 | Julio Larrave | 1-0-0 REC | #3378 | |
 | Julio Paulino | 0-2-0 UFC | #4473 | |
 | Julio Pereira | 2-0-0 REC | #1214 | |
 | Julio Spadaccini | 1-0-0 REC | #1496 | |
 | Julius Anglickas | 1-2-0 REC | #4635 | |
 | Julius Vega | 1-0-0 REC | #6488 | |
 | Julius Walker | 1-2-0 UFC | #1552 | |
 | Jumabieke Tuerxun | 0-3-0 UFC | #3624 |  |
 | Jun Yong Park | 9-4-0 UFC | #592 |  |
 | Jun Young Hong | 0-2-0 REC | #3300 | |
 | Jung Hyun Lee | 1-2-0 REC | #1152 | |
 | Junie Browning | 1-1-0 UFC | #4242 | |
 | Junior Albini | 1-4-0 UFC | #3422 | |
 | Junior Assis | 0-1-0 REC | #7100 | |
 | Junior Assuncao | 2-3-0 UFC | #3730 | |
 | Junior Dos santos | 15-8-0 UFC | #150 | |
 | Junior Duarte | 0-1-0 REC | #7399 | |
 | Junior Hernandez | 2-0-1 REC | #1927 |  |