Poids Mi-Moyens Hommes
 | Joel Alvarez | 8-3-0 UFC | #298 |  |
 | John Hathaway | 7-2-0 UFC | #1485 |  |
 | John Howard | 7-7-0 UFC | #1086 |  |
 | John Maguire | 2-3-0 UFC | #3736 | |
 | Jon Koppenhaver | 1-1-0 UFC | #3384 | |
 | Jon Manley | 0-1-0 UFC | #6812 | |
 | Jon Tuck | 4-5-0 UFC | #2553 |  |
 | Jonathan Goulet | 4-5-0 UFC | #2572 |  |
 | Jonathan Meunier | 1-1-0 UFC | #3491 | |
 | Jonathan Micallef | 3-0-0 UFC | #662 |  |
 | Jonavin Webb | 0-2-0 UFC | #5373 | |
 | Jonny Parsons | 1-0-0 UFC | #4125 | |
 | Jordan Mein | 5-4-0 UFC | #2228 | |
 | Jordan Radev | 0-2-0 UFC | #5169 |  |
 | Jorge Lopez | 0-2-0 UFC | #4668 | |
 | Jorge Masvidal | 12-10-0 UFC | #319 | |
 | Jorge Santiago | 1-5-0 UFC | #3564 |  |
 | Jose Henrique | 1-0-0 UFC | #1540 | |
 | Josh Burkman | 6-12-0, 1NC UFC | #1850 | |
 | Josh Koscheck | 15-10-0 UFC | #309 | |