Poids Coqs Hommes
 | Josh Hill | 1-3-0 REC | #4097 |  |
 | Josh Rettinghouse | #7295 |  | |
 | Joshua Cervantes | 0-1-0 REC | #4897 | |
 | Joshua Simpson | 1-0-0 REC | #3263 | |
 | Joshua Weems | 0-1-0 UFC | #4500 | |
 | Josias Musasa | 0-2-0 UFC | #2342 |  |
 | Josiel Silva | 3-0-0 REC | #1006 |  |
 | Journey Newson | 1-4-0, 1NC UFC | #3079 | |
 | JP Buys | 0-4-0 UFC | #2892 |  |
 | Juan Archuleta | 2-2-0 REC | #4095 | |
 | Juan Diaz | 1-0-0 REC | #1467 |  |
 | Julian Orozco | #7383 | | |
 | Julien Pierre Lopez | 2-3-0 REC | #2349 |  |
 | Julio Larrave | 1-0-0 REC | #2999 | |
 | Jumabieke Tuerxun | 0-3-0 UFC | #3368 |  |
 | Juntarou Ushiku | 0-1-0 REC | #7032 |  |
 | Junya Hibino | 0-1-0 REC | #6747 | |
 | Justin Wetzell | 3-1-0 REC | #1930 | |
 | Jyrgalbek Almazbek Uulu | 0-1-0 REC | #5094 |  |
 | Kabylbek Bakyt uulu | 0-1-0 REC | #6167 | |