Tous les combattants
 | Kai Kamaka III | 1-2-1 UFC | #1885 |  |
 | Kai Kara-France | 8-5-0 UFC | #399 |  |
 | Kai Lu | 1-2-0 REC | #4287 |  |
 | Kai Yoshida | 0-1-0 REC | #4499 |  |
 | Kaik Brito | 5-3-0 REC | #285 |  |
 | Kailan Hill | 0-1-0 REC | #6021 |  |
 | Kailin Curran | 1-6-0 UFC | #2834 | |
 | Kaique Modesto | 0-1-0 REC | #7150 | |
 | Kairat Akhmetov | 1-0-0 REC | #1671 |  |
 | Kaitlin Young | 2-3-0 REC | #3969 | |
 | Kaiwen Li | 3-2-0 REC | #1427 | |
 | Kajan Johnson | 4-3-0 UFC | #1976 |  |
 | Kaleio Romero | 0-1-0 REC | #6909 | |
 | Kaleo Meheula | #7418 | | |
 | Kali Robbins | 0-1-0 REC | #6106 | |
 | Kalib Starnes | 2-3-0 UFC | #3230 | |
 | Kalindra Faria | 0-3-0 UFC | #3392 | |
 | Kallum Parker | 1-4-0 REC | #4115 |  |
 | Kaloyan Kolev | 0-1-0 REC | #5325 |  |
 | Kamal Dzhalavov | 1-0-0 REC | #2228 |  |
 | Kamal Mamedov | 0-2-0 REC | #3682 | |
 | Kamal Shalorus | 0-3-0 UFC | #2389 |  |
 | Kamaru Usman | 16-3-0 UFC | #23 |  |
 | Kamil Gawryjolek | 2-2-0 REC | #3451 |  |
 | Kamil Minda | 2-2-0 REC | #4541 | |