Poids Mi-Moyens Hommes
 | Jefferson Goncalves | 0-1-0 REC | #6278 |  |
 | Jefferson Nascimento | 0-1-0 UFC | #542 | |
 | Jeffrey Craig | 1-0-0 REC | #6924 |  |
 | Jeremiah Humphrey | 0-1-0 REC | #7392 | |
 | Jeremiah Robinson | 1-0-0 REC | #7066 | |
 | Jeremiah Wells | 5-2-0 UFC | #1119 | |
 | Jeremy Jackson | 0-2-0 UFC | #4854 | |
 | Jeremy Landowski | 1-0-0 REC | #649 | |
 | Jess Liaudin | 2-3-0 UFC | #2719 |  |
 | Jesse Lennox | 1-2-0 UFC | #4214 | |
 | Jesse Ronson | 0-5-0, 1NC UFC | #3337 |  |
 | Jesse Sanders | 0-1-0 UFC | #6934 | |
 | Jesse Urholin | 0-1-0 REC | #7519 |  |
 | Jessin Ayari | 1-3-0 UFC | #2162 |  |
 | Jim Wallhead | 0-2-0 UFC | #4565 |  |
 | Jimmy Drago | 0-1-0 REC | #4680 | |
 | Jingliang Li | 11-7-0 UFC | #452 |  |
 | Jivko Stoimenov | 0-1-0 REC | #7443 |  |
 | Jixie Molapo | 1-1-0 REC | #2852 |  |
 | Joaquin Buckley | 11-6-0 UFC | #155 | |