Tous les combattants
 | Junior Melo | 0-1-0 REC | #6202 |  |
 | Junior Orgulho | 0-1-0 REC | #7067 | |
 | Junior Tafa | 3-5-0 UFC | #288 |  |
 | Juntarou Ushiku | 0-1-0 REC | #7276 |  |
 | Junya Hibino | 0-1-0 REC | #7171 | |
 | Jurabek Malaev | #7580 |  | |
 | Juri Ohara | #7590 | | |
 | Juscelino Pantoja | 0-1-0 REC | #6159 | |
 | Jussier da Silva | 9-7-0 UFC | #1022 | |
 | Justice Torres | 0-1-0 REC | #5117 |  |
 | Justin Barry | 0-1-0 REC | #6490 | |
 | Justin Buchholz | 1-4-0 UFC | #3859 | |
 | Justin Burlinson | 3-1-0 REC | #2450 |  |
 | Justin Clarke | 3-1-0 REC | #505 |  |
 | Justin Detzel | 1-0-0 REC | #736 |  |
 | Justin Edwards | 2-5-0 UFC | #3276 | |
 | Justin Eilers | 1-3-0 UFC | #3534 | |
 | Justin Frazier | 0-1-0 UFC | #4509 | |
 | Justin Gaethje | 10-5-0 UFC | #26 | |
 | Justin Gomez | 1-1-0 REC | #7605 |  |
 | Justin Gonzales | 3-4-0 REC | #3371 | |
 | Justin James | 0-1-0 UFC | #6937 | |
 | Justin Jaynes | 1-4-0 UFC | #2887 | |
 | Justin Jones | 0-2-0 UFC | #5014 | |
 | Justin Lawrence | 1-2-0 UFC | #4389 | |