Poids Mi-Moyens Hommes
 | Jeff Nielsen | 1-1-0 REC | #5686 |  |
 | Jefferson Goncalves | 0-1-0 REC | #6086 |  |
 | Jeffrey Craig | 1-0-0 REC | #6654 | |
 | Jeremiah Humphrey | 0-1-0 REC | #6804 | |
 | Jeremiah Robinson | 1-0-0 REC | #6519 | |
 | Jeremiah Wells | 5-2-0 UFC | #1031 | |
 | Jeremy Jackson | 0-2-0 UFC | #4474 | |
 | Jess Liaudin | 2-3-0 UFC | #2402 |  |
 | Jesse Lennox | 1-2-0 UFC | #3810 | |
 | Jesse Ronson | 0-5-0, 1NC UFC | #3115 |  |
 | Jesse Sanders | 0-1-0 UFC | #6744 | |
 | Jesse Urholin | 0-1-0 REC | #7211 |  |
 | Jessin Ayari | 1-3-0 UFC | #1543 |  |
 | Jim Wallhead | 0-2-0 UFC | #4333 |  |
 | Jimmy Drago | 0-1-0 REC | #4376 | |
 | Jingliang Li | 11-7-0 UFC | #411 |  |
 | Jivko Stoimenov | 0-1-0 REC | #6815 |  |
 | Jixie Molapo | 1-1-0 REC | #1988 |  |
 | Joaquin Buckley | 11-5-0 UFC | #146 | |
 | Joe Jordan | 0-1-0 UFC | #6360 | |