Tous les combattants
 | Jan Stanovsky | 3-2-0 REC | #1116 |  |
 | Jan Stastny | #8086 | | |
 | Janaina Silva | 0-3-0 REC | #4034 |  |
 | Janaisa Morandin | 0-2-0 REC | #4908 | |
 | Janay Harding | 0-2-0 REC | #5256 |  |
 | Janderson Barreto | 0-1-0 REC | #5394 | |
 | Jane Osigwe | 0-1-0 REC | #5315 |  |
 | Janne Elonen-Kulmala | 0-4-0 REC | #4754 |  |
 | Jansey Silva | 0-1-0 REC | #7179 | |
 | Jaqueline Amorim | 5-2-0 UFC | #558 | |
 | Jaqueline Ferreira | #7817 | | |
 | Jared Braun | 0-2-0 REC | #4435 |  |
 | Jared Cannonier | 11-10-0 UFC | #206 | |
 | Jared Ferrera | 0-1-0 REC | #7187 | |
 | Jared Gooden | 2-5-0 UFC | #2343 | |
 | Jared Gordon | 9-8-0, 1NC UFC | #583 | |
 | Jared Hamman | 2-5-0 UFC | #3540 | |
 | Jared Papazian | 0-3-0 UFC | #4495 | |
 | Jared Rollins | 0-1-0 UFC | #6263 | |
 | Jared Rosholt | 6-2-0 UFC | #690 | |
 | Jared Scoggins | 0-1-0 REC | #7484 | |
 | Jared Torgeson | 1-0-0 REC | #7556 | |
 | Jared Vanderaa | 1-6-0 UFC | #2750 | |
 | Jarjis Danho | 1-1-1 UFC | #4588 |  |
 | Jarno Errens | 1-3-0 UFC | #2855 |  |