Poids Coqs Hommes
 | James Gray | 0-1-0 REC | #7190 |  |
 | James Settle | 2-3-0 REC | #3942 | |
 | Jan Cieplowski | 1-1-0 REC | #2417 |  |
 | Janderson Barreto | 0-1-0 REC | #5202 |  |
 | Janne Elonen-Kulmala | 0-4-0 REC | #4767 |  |
 | Jared Papazian | 0-3-0 UFC | #4396 | |
 | Jared Scoggins | 0-1-0 REC | #7328 | |
 | Jason Danner | 1-0-0 REC | #3205 | |
 | Jason Eubanks | 1-0-0 REC | #1229 |  |
 | Jason Reinhardt | 0-3-0 UFC | #4384 | |
 | Javid Basharat | 4-2-0, 1NC UFC | #816 |  |
 | Jay Perrin | 0-3-0 UFC | #3479 | |
 | Jaylon Bates | 2-1-0 REC | #5233 | |
 | Jean Matsumoto | 3-2-0 UFC | #1205 | |
 | Jeff Curran | 0-3-0 UFC | #4439 | |
 | Jeff Hougland | 1-2-0 UFC | #4450 | |
 | Jens Pulver | 6-2-1 UFC | #662 | |
 | Jeovanny de Oliveira | 0-1-0 REC | #6700 | |
 | Jeremy Strobel Jr. | 1-0-0 REC | #4804 | |
 | Jerrell Hodge | 0-1-0 REC | #6522 | |