Tous les combattants
 | Jung Hyun Lee | 1-2-0 REC | #2029 |  |
 | Junie Browning | 1-1-0 UFC | #4515 |  |
 | Junior Albini | 1-4-0 UFC | #3635 |  |
 | Junior Assis | 0-1-0 REC | #7789 | |
 | Junior Assuncao | 2-3-0 UFC | #4036 | |
 | Junior Dos santos | 15-8-0 UFC | #179 | |
 | Junior Duarte | 0-1-0 REC | #7704 | |
 | Junior Hernandez | 2-0-1 REC | #2555 |  |
 | Junior Melo | 0-1-0 REC | #6737 | |
 | Junior Orgulho | 0-1-0 REC | #7826 | |
 | Junior Tafa | 3-6-0 UFC | #701 |  |
 | Juntarou Ushiku | 0-1-0 REC | #7688 |  |
 | Junya Hibino | 0-1-0 REC | #7814 | |
 | Jurabek Malaev | #7906 |  | |
 | Jurgen Koci | #8274 |  | |
 | Juri Ohara | #7992 | | |
 | Juscelino Pantoja | 0-1-0 REC | #6082 | |
 | Jussier da Silva | 9-7-0 UFC | #1060 | |
 | Justice Torres | 0-1-0 REC | #5267 | |
 | Justin Barry | 0-1-0 REC | #6055 | |
 | Justin Buchholz | 1-4-0 UFC | #4198 | |
 | Justin Burlinson | 3-1-0 REC | #2780 |  |
 | Justin Clarke | 3-1-0 REC | #1352 |  |
 | Justin Detzel | 1-0-0 REC | #1701 |  |
 | Justin Edwards | 2-5-0 UFC | #3498 | |