Tous les combattants
 | Jon Fitch | 14-3-1 UFC | #240 |  |
 | Jon Gover | 0-1-0 REC | #7731 | |
 | Jon Hess | 1-0-0 UFC | #5350 | |
 | Jon Jones | 22-1-0, 1NC UFC | #5 | |
 | Jon Koppenhaver | 1-1-0 UFC | #3384 | |
 | Jon Kunneman | #6527 | | |
 | Jon Madsen | 4-1-0 UFC | #2900 | |
 | Jon Manley | 0-1-0 UFC | #6812 | |
 | Jon Saragih | 0-1-0 REC | #7015 |  |
 | Jon Tabarez | 0-1-0 REC | #6276 | |
 | Jon Tuck | 4-5-0 UFC | #2553 |  |
 | Jonas Bilharinho | 1-1-0 REC | #5522 |  |
 | Jonas Flok | 0-1-0 REC | #7345 | |
 | Jonas Magard | 7-2-0 REC | #1131 |  |
 | Jonatan Garcia | 0-1-0 REC | #5096 |  |
 | Jonatan Kujawa | 0-2-0 REC | #4805 |  |
 | Jonatan Westin | 0-2-0 REC | #6429 |  |
 | Jonathan Brookins | 2-3-0 UFC | #3044 | |
 | Jonathan Caetano | 0-1-0 REC | #5464 | |
 | Jonathan Davison | #7957 |  | |
 | Jonathan Di Lorenzo | 1-0-0 REC | #2283 | |
 | Jonathan Elias | 0-1-0 REC | #6120 | |
 | Jonathan Figueroa | #7545 |  | |
 | Jonathan Goulet | 4-5-0 UFC | #2572 |  |
 | Jonathan Griffin | 0-1-0 REC | #7286 | |