Poids Coqs Hommes
 | Josh Rettinghouse | #7539 |  | |
 | Joshua Cervantes | 0-1-0 REC | #5107 | |
 | Joshua Simpson | 1-0-0 REC | #3547 | |
 | Joshua Weems | 0-1-0 UFC | #4630 | |
 | Josias Musasa | 0-2-0 UFC | #2499 |  |
 | Josiel Silva | 3-0-0, 1NC REC | #1335 |  |
 | Journey Newson | 1-4-0, 1NC UFC | #3212 | |
 | JP Buys | 0-4-0 UFC | #3031 |  |
 | Juan Archuleta | 2-2-0 REC | #4219 | |
 | Juan Diaz | 1-0-0 REC | #1650 |  |
 | Julian Orozco | #7656 | | |
 | Julien Pierre Lopez | 2-3-0 REC | #2490 |  |
 | Julio Larrave | 1-0-0 REC | #3269 | |
 | Jumabieke Tuerxun | 0-3-0 UFC | #3514 |  |
 | Juntarou Ushiku | 0-1-0 REC | #7206 |  |
 | Junya Hibino | 0-1-0 REC | #6994 | |
 | Justin Wetzell | 3-1-0 REC | #2194 | |
 | Jyrgalbek Almazbek Uulu | 0-1-0 REC | #5284 |  |
 | Kabylbek Bakyt uulu | 0-1-0 REC | #6353 | |
 | Kacper Matyszewski | 0-1-0 REC | #6507 |  |