Poids Coqs Hommes
 | Johnny Bedford | 2-3-0, 1NC UFC | #3324 |  |
 | Johnny Eduardo | 3-5-0 UFC | #2943 |  |
 | Johnny Munoz Jr | 2-4-0 UFC | #3216 | |
 | Jonathan Brookins | 2-3-0 UFC | #3002 | |
 | Jonathan Martinez | 10-5-0 UFC | #718 | |
 | Jose Alberto Quinonez | 5-4-0 UFC | #2324 |  |
 | Jose Aldo | 14-9-0 UFC | #77 | |
 | Jose Johnson | 1-3-0 UFC | #2695 | |
 | Jose Torres | 1-1-0 UFC | #2689 | |
 | Joseph Sandoval | 0-2-0 UFC | #5703 | |
 | Josias Musasa | 0-2-0 UFC | #2576 |  |
 | Journey Newson | 1-4-0, 1NC UFC | #3279 | |
 | JP Buys | 0-4-0 UFC | #3193 |  |
 | Juan Diaz | 1-0-0 UFC | #446 |  |
 | Jumabieke Tuerxun | 0-3-0 UFC | #3704 |  |
 | Kai Asakura | 1-2-0 UFC | #204 |  |
 | Ken Stone | 2-2-0 UFC | #3608 | |
 | Kevin Natividad | 0-3-0 UFC | #3522 | |
 | Kleydson Rodrigues | 1-3-0 UFC | #3282 | |
 | Kris Moutinho | 0-4-0 UFC | #2141 | |