Poids Coqs Hommes
 | Jalal Al Daaja | 0-2-0 REC | #5878 |  |
 | James Barnes | 0-1-0 REC | #7059 |  |
 | James Gray | 0-1-0 REC | #7271 | |
 | James Settle | 2-3-0 REC | #4000 | |
 | Jan Cieplowski | 1-1-0 REC | #2487 |  |
 | Janderson Barreto | 0-1-0 REC | #5271 |  |
 | Janne Elonen-Kulmala | 0-4-0 REC | #4769 |  |
 | Jared Papazian | 0-3-0 UFC | #4431 | |
 | Jared Scoggins | 0-1-0 REC | #7411 | |
 | Jason Danner | 1-0-0 REC | #3245 | |
 | Jason Eubanks | 1-0-0 REC | #1317 |  |
 | Jason Reinhardt | 0-3-0 UFC | #4379 | |
 | Javid Basharat | 4-2-0, 1NC UFC | #822 |  |
 | Jay Perrin | 0-3-0 UFC | #3511 | |
 | Jaylon Bates | 2-1-0 REC | #5251 | |
 | Jean Matsumoto | 4-2-0 UFC | #389 | |
 | Jeff Curran | 0-3-0 UFC | #4454 | |
 | Jeff Hougland | 1-2-0 UFC | #4453 | |
 | Jens Pulver | 6-2-1 UFC | #633 | |
 | Jeovanny de Oliveira | 0-1-0 REC | #6801 | |