Poids Coqs Hommes
 | Jake Hadley | 3-4-0 UFC | #1358 |  |
 | Jakub Wiklacz | 2-0-0 UFC | #880 |  |
 | Jalal Al Daaja | 0-2-0 REC | #6003 |  |
 | James Barnes | 0-1-0 REC | #7269 |  |
 | James Gray | 0-1-0 REC | #7426 | |
 | James Settle | 2-3-0 REC | #4100 | |
 | Jan Cieplowski | 1-1-0 REC | #2655 | |
 | Janderson Barreto | 0-1-0 REC | #5399 |  |
 | Janne Elonen-Kulmala | 0-4-0 REC | #4758 |  |
 | Jared Papazian | 0-3-0 UFC | #4479 | |
 | Jared Scoggins | 0-1-0 REC | #7495 | |
 | Jason Danner | 1-0-0 REC | #3344 | |
 | Jason Eubanks | 1-0-0 REC | #1543 |  |
 | Jason Reinhardt | 0-3-0 UFC | #4429 | |
 | Javid Basharat | 4-2-0, 1NC UFC | #871 |  |
 | Jay Perrin | 0-3-0 UFC | #3551 | |
 | Jaylon Bates | 2-1-0 REC | #5255 | |
 | Jean Matsumoto | 4-2-0 UFC | #516 | |
 | Jeff Curran | 0-3-0 UFC | #4464 | |
 | Jeff Hougland | 1-2-0 UFC | #4524 | |