Poids Mi-Moyens Hommes
 | Jay Hieron | 0-4-0 UFC | #3778 |  |
 | Jean-Paul Lebosnoyani | 1-0-0 UFC | #835 | |
 | Jeff Joslin | 0-1-0 UFC | #5794 |  |
 | Jeremiah Wells | 5-2-0 UFC | #1234 | |
 | Jeremy Jackson | 0-2-0 UFC | #4766 | |
 | Jess Liaudin | 2-3-0 UFC | #2677 |  |
 | Jesse Lennox | 1-2-0 UFC | #4135 | |
 | Jesse Ronson | 0-5-0, 1NC UFC | #3318 | |
 | Jesse Sanders | 0-1-0 UFC | #6991 | |
 | Jessin Ayari | 1-3-0 UFC | #2028 |  |
 | Jim Wallhead | 0-2-0 UFC | #4504 |  |
 | Jingliang Li | 11-7-0 UFC | #445 |  |
 | Joaquin Buckley | 11-6-0 UFC | #146 | |
 | Joe Jordan | 0-1-0 UFC | #6617 | |
 | Joe Merritt | 0-1-0 UFC | #5620 | |
 | Joel Alvarez | 8-3-0 UFC | #253 |  |
 | John Hathaway | 7-2-0 UFC | #1496 | |
 | John Howard | 7-7-0 UFC | #1084 | |
 | John Maguire | 2-3-0 UFC | #3667 | |
 | Jon Koppenhaver | 1-1-0 UFC | #3330 | |