Tous les combattants
 | Johnny Hopper | 0-1-0 REC | #6806 |  |
 | Johnny Munoz Jr | 2-4-0 UFC | #3395 | |
 | Johnny Rees | 0-2-0 UFC | #6138 | |
 | Johnny Rhodes | 2-1-0 UFC | #4187 | |
 | Johnny Robles | 1-0-0 REC | #3947 | |
 | Johnny Soto | 0-1-0 REC | #8032 | |
 | Johnny Walker | 9-7-0, 1NC UFC | #100 |  |
 | Johny Hendricks | 13-8-0 UFC | #333 | |
 | Joice Mara | #6946 | | |
 | Joilton Lutterbach | 0-3-0 REC | #4236 | |
 | Joji Goto | 4-1-0 REC | #578 |  |
 | Jon Cunningham | 0-1-0 REC | #7211 | |
 | Jon delos Reyes | 1-3-0 UFC | #4037 |  |
 | Jon Fitch | 14-3-1 UFC | #260 | |
 | Jon Gover | 0-1-0 REC | #7871 | |
 | Jon Hess | 1-0-0 UFC | #5670 | |
 | Jon Jones | 22-1-0, 1NC UFC | #6 | |
 | Jon Koppenhaver | 1-1-0 UFC | #3519 | |
 | Jon Kunneman | 0-1-0 REC | #3796 | |
 | Jon Madsen | 4-1-0 UFC | #2980 | |
 | Jon Manley | 0-1-0 UFC | #7034 | |
 | Jon Saragih | 0-1-0 REC | #7312 |  |
 | Jon Tabarez | 0-1-0 REC | #6589 | |
 | Jon Tuck | 4-5-0 UFC | #2591 | |
 | Jonas Bilharinho | 1-1-0 REC | #6026 | |