Poids Coqs Hommes
 | JP Buys | 0-4-0 UFC | #3193 |  |
 | Juan Archuleta | 2-2-0 REC | #4437 |  |
 | Juan Diaz | 1-0-0 UFC | #446 |  |
 | Julian Orozco | #7849 | | |
 | Julien Pierre Lopez | 2-3-0 REC | #2608 |  |
 | Julio Larrave | 1-0-0 REC | #3463 | |
 | Jumabieke Tuerxun | 0-3-0 UFC | #3704 |  |
 | Juntarou Ushiku | 0-1-0 REC | #7376 |  |
 | Junya Hibino | 0-1-0 REC | #7320 | |
 | Justin Wetzell | 3-1-0 REC | #2459 | |
 | Jyrgalbek Almazbek Uulu | 0-1-0 REC | #5362 |  |
 | Kabylbek Bakyt uulu | 0-1-0 REC | #6465 | |
 | Kacper Matyszewski | 0-1-0 REC | #6602 |  |
 | Kadeem Perkins | 2-0-0 REC | #1843 |  |
 | Kadyn Marcantel | 0-1-0 REC | #7216 | |
 | Kai Asakura | 1-2-0 UFC | #204 | |
 | Kaique Modesto | 0-1-0 REC | #7526 |  |
 | Kairat Akhmetov | 1-0-0 REC | #2343 |  |
 | Kamil Szkaradek | 5-1-0 REC | #1324 | |
 | Karim Henniene | 3-1-0 REC | #320 |  |