Poids Coqs Hommes
 | Kadeem Perkins | 2-0-0 REC | #1186 |  |
 | Kadyn Marcantel | 0-1-0 REC | #6718 |  |
 | Kaique Modesto | 0-1-0 REC | #7202 |  |
 | Kairat Akhmetov | 1-0-0 REC | #1789 |  |
 | Kamil Szkaradek | 5-1-0 REC | #839 |  |
 | Karim Henniene | 2-1-0 REC | #1089 |  |
 | Karol Durszlewicz | 1-1-0 REC | #1747 | |
 | Karshyga Dautbek | 3-0-0, 1NC REC | #2271 | |
 | Kasey Tanner | 3-1-0 REC | #1417 | |
 | Kasum Kasumov | 2-2-0 REC | #2771 |  |
 | Kaua Fernandes | 0-1-0 REC | #6670 | |
 | Kaue Vaz | 0-1-0 REC | #4465 | |
 | Kaushik Saikumar | 0-1-0 REC | #4550 |  |
 | Keir Harvie | 2-3-0 REC | #3042 |  |
 | Kelvin Sterling | 0-1-0 REC | #5717 | |
 | Ken Stone | 2-2-0 UFC | #3267 | |
 | Kenji Bortoluzzi | 0-3-0 REC | #3884 |  |
 | Kenshin Saito | 0-1-0 REC | #3922 |  |
 | Kenta Takizawa | 0-1-0 REC | #6106 | |
 | Kevin Azouz | 0-3-0 REC | #2802 |  |