Poids Coqs Hommes
 | Kairat Akhmetov | 1-0-0 REC | #2394 |  |
 | Kamil Szkaradek | 5-1-0 REC | #1339 |  |
 | Karim Henniene | 3-1-0 REC | #384 |  |
 | Karol Durszlewicz | 1-1-0 REC | #2403 | |
 | Kasey Tanner | 3-1-0 REC | #2006 |  |
 | Kasib Murdoch | 1-0-0 REC | #873 |  |
 | Kasum Kasumov | 2-2-0 REC | #3041 |  |
 | Kaua Fernandes | 0-1-0 REC | #7056 |  |
 | Kaue Vaz | 0-1-0 REC | #5101 | |
 | Kaushik Saikumar | 0-1-0 REC | #4778 |  |
 | Keir Harvie | 2-3-0 REC | #3489 |  |
 | Kelvin Sterling | 0-1-0 REC | #6145 | |
 | Ken Stone | 2-2-0 UFC | #3627 | |
 | Kenji Bortoluzzi | 0-3-0 REC | #4267 |  |
 | Kenshin Kodama | 0-1-0 REC | #6215 |  |
 | Kenshin Saito | 0-1-0 REC | #4493 | |
 | Kenta Takizawa | 0-1-0 REC | #6653 | |
 | Kevin Azouz | 0-3-0 REC | #3077 |  |
 | Kevin Caperna | 1-2-0 REC | #3105 |  |
 | Kevin Cordero | 0-1-0 REC | #4926 |  |