Poids Mi-Moyens Hommes
 | John Howard | 7-7-0 UFC | #1049 |  |
 | John Maguire | 2-3-0 UFC | #3670 |  |
 | Jon Koppenhaver | 1-1-0 UFC | #3315 | |
 | Jon Manley | 0-1-0 UFC | #6715 | |
 | Jon Tuck | 4-5-0 UFC | #2524 |  |
 | Jonathan Goulet | 4-5-0 UFC | #2559 |  |
 | Jonathan Meunier | 1-1-0 UFC | #3470 | |
 | Jonathan Micallef | 3-0-0 UFC | #527 |  |
 | Jonavin Webb | 0-2-0 UFC | #5245 | |
 | Jonny Parsons | 1-0-0 UFC | #4015 | |
 | Jordan Mein | 5-4-0 UFC | #2441 | |
 | Jordan Radev | 0-2-0 UFC | #5099 |  |
 | Jorge Lopez | 0-2-0 UFC | #4689 | |
 | Jorge Masvidal | 12-10-0 UFC | #311 | |
 | Jorge Santiago | 1-5-0 UFC | #3505 |  |
 | Jose Henrique | 1-0-0 UFC | #1352 | |
 | Josh Burkman | 6-12-0, 1NC UFC | #1828 | |
 | Josh Koscheck | 15-10-0 UFC | #304 | |
 | Josh Neer | 6-9-0 UFC | #1877 | |
 | Josh Quinlan | 1-3-0 UFC | #3455 | |