Poids Mi-Lourds Hommes
 | Jimi Manuwa | 6-6-0 UFC | #1658 |  |
 | Jimmy Crute | 6-4-2 UFC | #795 |  |
 | Jiri Prochazka | 6-3-0 UFC | #67 |  |
 | Joachim Christensen | 1-3-0 UFC | #3841 |  |
 | Joao Paulo Fagundes | 0-1-0 REC | #6866 |  |
 | Joe Moreira | 1-1-0 UFC | #4533 | |
 | Joe Schilling | 0-1-0 REC | #4980 |  |
 | Joe Slick | 1-1-0 UFC | #5066 | |
 | Joe Taylor | 2-1-0 REC | #1868 | |
 | Joe Vedepo | 0-2-0 UFC | #5390 | |
 | Joel Sutton | 2-0-0 UFC | #3837 | |
 | Joey Roberts | 0-1-0 UFC | #5337 | |
 | John Allan | 0-2-0, 1NC UFC | #3387 | |
 | John Dowdy | 0-1-0 UFC | #6910 | |
 | Johnny Walker | 8-7-0, 1NC UFC | #283 | |
 | Jonathan Wilson | 1-3-0 UFC | #3786 | |
 | Jordan Nandor | 1-2-0, 1NC REC | #2681 |  |
 | Jordan Wright | 2-5-0 UFC | #2781 | |
 | Jordan Young | 1-1-0 REC | #6779 | |
 | Jorge Gonzalez | #7356 |  |