Tous les combattants
 | Kai Kara-France | 8-5-0 UFC | #486 |  |
 | Kai Lu | 1-2-0 REC | #4439 |  |
 | Kai Yoshida | 0-1-0 REC | #4734 |  |
 | Kaik Brito | 5-3-0 REC | #530 |  |
 | Kailan Hill | 0-1-0 REC | #6219 |  |
 | Kailin Curran | 1-6-0 UFC | #2974 |  |
 | Kaique Modesto | 0-1-0 REC | #7252 | |
 | Kairat Akhmetov | 1-0-0 REC | #2014 |  |
 | Kaitlin Young | 2-3-0 REC | #4051 | |
 | Kaito Oda | #7673 | | |
 | Kaiwen Li | 3-2-0 REC | #1689 | |
 | Kajan Johnson | 4-3-0 UFC | #2043 |  |
 | Kaleio Romero | 0-1-0 REC | #7101 | |
 | Kaleo Meheula | #6687 | | |
 | Kali Robbins | 0-1-0 REC | #6429 | |
 | Kalib Starnes | 2-3-0 UFC | #3390 | |
 | Kalindra Faria | 0-3-0 UFC | #3608 | |
 | Kallum Parker | 1-4-0 REC | #4298 |  |
 | Kaloyan Kolev | 0-1-0 REC | #5472 |  |
 | Kamal Dzhalavov | 1-0-0 REC | #2585 |  |
 | Kamal Mamedov | 0-3-0 REC | #3166 | |
 | Kamal Shalorus | 0-3-0 UFC | #2548 |  |
 | Kamaru Usman | 16-3-0 UFC | #23 |  |
 | Kamil Gawryjolek | 2-2-0 REC | #3664 |  |
 | Kamil Minda | 2-2-0 REC | #4694 | |