Poids Coqs Hommes
 | Kadeem Perkins | 2-0-0 REC | #1506 |  |
 | Kadyn Marcantel | 0-1-0 REC | #6967 |  |
 | Kaique Modesto | 0-1-0 REC | #7283 |  |
 | Kairat Akhmetov | 1-0-0 REC | #2071 |  |
 | Kamil Szkaradek | 5-1-0 REC | #1104 |  |
 | Karim Henniene | 2-1-0 REC | #1385 |  |
 | Karol Durszlewicz | 1-1-0 REC | #2029 | |
 | Karshyga Dautbek | 3-0-0, 1NC REC | #2460 | |
 | Kasey Tanner | 3-1-0 REC | #1655 | |
 | Kasib Murdoch | #7714 |  | |
 | Kasum Kasumov | 2-2-0 REC | #2888 |  |
 | Kaua Fernandes | 0-1-0 REC | #6891 | |
 | Kaue Vaz | 0-1-0 REC | #4708 | |
 | Kaushik Saikumar | 0-1-0 REC | #4625 |  |
 | Keir Harvie | 2-3-0 REC | #3219 |  |
 | Kelvin Sterling | 0-1-0 REC | #5779 | |
 | Ken Stone | 2-2-0 UFC | #3443 | |
 | Kenji Bortoluzzi | 0-3-0 REC | #4037 |  |
 | Kenshin Kodama | #7709 |  | |
 | Kenshin Saito | 0-1-0 REC | #4198 | |