Tous les combattants
 | Jarome Woodbury | 1-0-0 REC | #3051 |  |
 | Jaroslav Pokorny | 2-4-0 REC | #4321 |  |
 | Jarrah Al-Silawi | 4-5-0 REC | #1836 |  |
 | Jarred Brooks | 2-2-0 UFC | #3364 | |
 | Jarred Gonzales | #8081 | | |
 | Jarret Betancourt | #8173 | | |
 | Jashell Ticha Awa | 0-2-0 REC | #3861 |  |
 | Jasmine Favero | 1-0-0 REC | #6709 |  |
 | Jasmine Jasudavicius | 9-3-0 UFC | #136 |  |
 | Jasmine Pouncy | 0-1-0 REC | #7185 | |
 | Jason Black | 0-2-0 UFC | #4577 | |
 | Jason Brilz | 3-4-0 UFC | #3304 | |
 | Jason Butcher | 0-2-0 REC | #6390 | |
 | Jason Danner | 1-0-0 REC | #3376 | |
 | Jason Day | 1-2-0 UFC | #4259 | |
 | Jason DeLucia | 2-2-0 UFC | #3532 | |
 | Jason Dent | 1-3-0 UFC | #3817 | |
 | Jason Eubanks | 1-0-0 REC | #1639 |  |
 | Jason Fairn | 0-1-0 UFC | #6268 | |
 | Jason Gilliam | 0-2-0 UFC | #4713 | |
 | Jason Godsey | 0-2-0 UFC | #4429 | |
 | Jason Gonzalez | 1-3-0 UFC | #4470 | |
 | Jason High | 2-3-0 UFC | #3156 | |
 | Jason Jackson | 5-3-0 REC | #664 |  |
 | Jason Knight | 4-5-0 UFC | #2261 | |