Tous les combattants
 | Jimmy Drago | 0-1-0 REC | #4590 |  |
 | Jimmy Flick | 2-4-0 UFC | #2276 | |
 | Jimmy Lawson | 0-1-0 REC | #5385 | |
 | Jimmy Meza | 0-1-0 REC | #7405 | |
 | Jimmy Quinlan | 0-1-0 UFC | #6531 | |
 | Jimmy Quinn | 3-2-0 REC | #3692 |  |
 | Jimmy Vienot | 1-1-0 REC | #1269 |  |
 | Jimmy Washington | 0-1-0 REC | #5449 | |
 | Jin Aoi | 0-1-0 REC | #5378 |  |
 | Jin Soo Son | 0-2-0 UFC | #4431 |  |
 | Jin Wakita | 0-1-0 REC | #5753 | |
 | Jingliang Li | 11-7-0 UFC | #419 |  |
 | Jinh Yu Frey | 2-6-0 UFC | #2836 | |
 | Jiniushiyue | 2-2-0 REC | #3589 | |
 | Jinnosuke Kashimura | 2-2-0 REC | #708 | |
 | Jiri Prochazka | 6-3-0 UFC | #62 |  |
 | Jivko Stoimenov | 0-1-0 REC | #7033 |  |
 | Jixie Molapo | 1-1-0 REC | #2332 | |
 | JJ Aldrich | 11-6-0 UFC | #283 | |
 | JJ Okanovich | 1-0-0 REC | #6556 | |
 | Jo Arai | 0-2-0 REC | #4332 | |
 | Joab Souza | 0-1-0 REC | #6073 |  |
 | Joachim Christensen | 1-3-0 UFC | #3722 |  |
 | Joan Arastey | 0-2-0 REC | #6094 |  |
 | Joan Rodriguez | 0-1-0 REC | #5344 | |