Tous les combattants
 | Junior Assuncao | 2-3-0 UFC | #3923 |  |
 | Junior Dos santos | 15-8-0 UFC | #170 | |
 | Junior Duarte | 0-1-0 REC | #7598 | |
 | Junior Hernandez | 2-0-1 REC | #2383 |  |
 | Junior Melo | 0-1-0 REC | #6453 | |
 | Junior Orgulho | 0-1-0 REC | #7608 | |
 | Junior Tafa | 3-6-0 UFC | #588 |  |
 | Juntarou Ushiku | 0-1-0 REC | #7575 |  |
 | Junya Hibino | 0-1-0 REC | #7627 | |
 | Jurabek Malaev | #7783 |  | |
 | Jurgen Koci | #8184 |  | |
 | Juri Ohara | #7858 | | |
 | Juscelino Pantoja | 0-1-0 REC | #5973 | |
 | Jussier da Silva | 9-7-0 UFC | #1039 | |
 | Justice Torres | 0-1-0 REC | #5159 |  |
 | Justin Barry | 0-1-0 REC | #6138 | |
 | Justin Buchholz | 1-4-0 UFC | #4080 | |
 | Justin Burlinson | 3-1-0 REC | #2687 |  |
 | Justin Clarke | 3-1-0 REC | #1110 |  |
 | Justin Detzel | 1-0-0 REC | #1431 |  |
 | Justin Edwards | 2-5-0 UFC | #3405 | |
 | Justin Eilers | 1-3-0 UFC | #3630 | |
 | Justin Frazier | 0-1-0 UFC | #4792 | |
 | Justin Gaethje | 11-5-0 UFC | #9 | |
 | Justin Gomez | 1-1-0 REC | #7727 |  |