Tous les combattants
 | Julio Pereira | 2-0-0 REC | #988 |  |
 | Julio Spadaccini | 1-0-0 REC | #1178 | |
 | Julius Anglickas | 1-2-0 REC | #4571 |  |
 | Julius Vega | 1-0-0 REC | #6513 |  |
 | Julius Walker | 1-2-0 UFC | #1448 | |
 | Jumabieke Tuerxun | 0-3-0 UFC | #3485 |  |
 | Jun Yong Park | 9-4-0 UFC | #566 |  |
 | Jun Young Hong | 0-2-0 REC | #3506 | |
 | Jung Hyun Lee | 1-2-0 REC | #860 | |
 | Junie Browning | 1-1-0 UFC | #4110 | |
 | Junior Albini | 1-4-0 UFC | #3320 | |
 | Junior Assis | 0-1-0 REC | #6904 | |
 | Junior Assuncao | 2-3-0 UFC | #3623 | |
 | Junior Dos santos | 15-8-0 UFC | #153 | |
 | Junior Duarte | 0-1-0 REC | #7265 | |
 | Junior Hernandez | 2-0-1 REC | #1693 |  |
 | Junior Melo | 0-1-0 REC | #6087 | |
 | Junior Orgulho | 0-1-0 REC | #6801 | |
 | Junior Tafa | 2-5-0 UFC | #1143 |  |
 | Juntarou Ushiku | 0-1-0 REC | #7232 |  |
 | Junya Hibino | 0-1-0 REC | #6917 | |
 | Jurabek Malaev | #7416 |  | |
 | Juri Ohara | #7433 | | |
 | Juscelino Pantoja | 0-1-0 REC | #6194 | |
 | Jussier da Silva | 9-7-0 UFC | #1019 | |