Tous les combattants
 | Jimmy Quinn | 3-2-0 REC | #3473 |  |
 | Jimmy Vienot | 1-0-0 REC | #1121 |  |
 | Jimmy Washington | 0-1-0 REC | #5187 |  |
 | Jin Aoi | 0-1-0 REC | #5181 |  |
 | Jin Soo Son | 0-2-0 UFC | #4264 |  |
 | Jin Wakita | 0-1-0 REC | #5611 | |
 | Jingliang Li | 11-7-0 UFC | #414 |  |
 | Jinh Yu Frey | 2-6-0 UFC | #2711 | |
 | Jiniushiyue | 2-2-0 REC | #3524 | |
 | Jinnosuke Kashimura | 2-2-0 REC | #369 | |
 | Jiri Prochazka | 6-2-0 UFC | #62 |  |
 | Jivko Stoimenov | 0-1-0 REC | #6833 |  |
 | Jixie Molapo | 1-1-0 REC | #2024 | |
 | JJ Aldrich | 10-6-0 UFC | #703 | |
 | JJ Okanovich | 1-0-0 REC | #6394 | |
 | Jo Arai | 0-2-0 REC | #4115 | |
 | Joab Souza | 0-1-0 REC | #5742 |  |
 | Joachim Christensen | 1-3-0 UFC | #3549 |  |
 | Joan Arastey | 0-2-0 REC | #6007 |  |
 | Joan Rodriguez | 0-1-0 REC | #5123 | |
 | Joana Chevreuil | 0-2-0 REC | #4457 | |
 | Joanderson Brito | 6-3-0 UFC | #515 | |
 | Joanna Jedrzejczyk | 10-5-0 UFC | #153 |  |
 | Joanne Wood | 9-8-0 UFC | #1030 |  |
 | Joao Dantas | 0-1-0 REC | #4094 | |