Poids Coqs Hommes
 | Julio Larrave | 1-0-0 REC | #3779 |  |
 | Jumabieke Tuerxun | 0-3-0 UFC | #3814 |  |
 | Juntarou Ushiku | 0-1-0 REC | #7634 |  |
 | Junya Hibino | 0-1-0 REC | #7680 | |
 | Jurgen Koci | #8219 |  | |
 | Justin Wetzell | 3-2-0 REC | #2516 | |
 | Jyrgalbek Almazbek Uulu | 0-1-0 REC | #5625 |  |
 | Kabylbek Bakyt uulu | 0-1-0 REC | #6578 | |
 | Kacper Matyszewski | 0-1-0 REC | #6703 |  |
 | Kadeem Perkins | 3-0-0 REC | #1172 |  |
 | Kadyn Marcantel | 0-1-0 REC | #7563 | |
 | Kai Asakura | 2-2-0 UFC | #166 | |
 | Kaique Modesto | 0-1-0 REC | #7776 |  |
 | Kairat Akhmetov | 1-0-0 REC | #2754 |  |
 | Kamil Szkaradek | 5-1-0 REC | #1561 | |
 | Karim Henniene | 3-1-0 REC | #850 |  |
 | Karol Durszlewicz | 1-1-0 REC | #2786 | |
 | Kasey Tanner | 3-1-0 REC | #2353 | |
 | Kasib Murdoch | 1-1-0 REC | #1216 |  |
 | Kasum Kasumov | 2-2-0 REC | #3078 |  |