Tous les combattants
 | Kai Yoshida | 0-1-0 REC | #4818 |  |
 | Kaik Brito | 5-3-0 REC | #630 |  |
 | Kailan Hill | 0-1-0 REC | #6290 |  |
 | Kailin Curran | 1-6-0 UFC | #3010 |  |
 | Kaique Modesto | 0-1-0 REC | #7287 | |
 | Kairat Akhmetov | 1-0-0 REC | #2105 |  |
 | Kaitlin Young | 2-3-0 REC | #4049 | |
 | Kaito Oda | #7750 | | |
 | Kaiwen Li | 3-3-0 REC | #1539 |  |
 | Kajan Johnson | 4-3-0 UFC | #2018 |  |
 | Kaleio Romero | 0-1-0 REC | #7163 | |
 | Kaleo Meheula | #6775 | | |
 | Kali Robbins | 0-1-0 REC | #6516 | |
 | Kalib Starnes | 2-3-0 UFC | #3425 | |
 | Kalindra Faria | 0-3-0 UFC | #3672 | |
 | Kallum Parker | 1-4-0 REC | #4345 |  |
 | Kaloyan Kolev | 0-1-0 REC | #5362 |  |
 | Kamal Dzhalavov | 1-0-0 REC | #2677 |  |
 | Kamal Mamedov | 0-3-0 REC | #3214 | |
 | Kamal Shalorus | 0-3-0 UFC | #2576 |  |
 | Kamaru Usman | 16-3-0 UFC | #29 |  |
 | Kamil Gawryjolek | 2-2-0 REC | #3723 |  |
 | Kamil Minda | 2-2-0 REC | #4755 | |
 | Kamil Oniszczuk | 2-3-0 REC | #1020 | |
 | Kamil Saidov | 1-0-0 REC | #1941 | |