Tous les combattants
 | Kai Kara-France | 8-5-0 UFC | #528 |  |
 | Kai Lu | 1-2-0 REC | #4261 |  |
 | Kai Yoshida | 0-1-0 REC | #5284 |  |
 | Kaik Brito | 5-3-0 REC | #999 |  |
 | Kailan Hill | 0-1-0 REC | #6248 |  |
 | Kailin Curran | 1-6-0 UFC | #3184 |  |
 | Kaique Modesto | 0-1-0 REC | #7669 | |
 | Kairat Akhmetov | 1-0-0 REC | #2527 |  |
 | Kaisei Kuroi | 0-1-0 REC | #6925 | |
 | Kaitlin Young | 2-3-0 REC | #4150 | |
 | Kaito Oda | 0-1-0 REC | #6048 | |
 | Kaiwen Li | 3-3-0 REC | #1905 | |
 | Kajan Johnson | 4-3-0 UFC | #2075 |  |
 | Kaleio Romero | 0-1-0 REC | #7215 | |
 | Kaleo Meheula | #7358 | | |
 | Kali Robbins | 0-1-0 REC | #6452 | |
 | Kalib Starnes | 2-3-0 UFC | #3613 | |
 | Kalindra Faria | 0-3-0 UFC | #3893 | |
 | Kallum Parker | 1-4-0 REC | #4638 |  |
 | Kaloyan Kolev | 0-1-0 REC | #5811 |  |
 | Kamal Dzhalavov | 1-0-0 REC | #3130 |  |
 | Kamal Mamedov | 0-3-0 REC | #3530 | |
 | Kamal Shalorus | 0-3-0 UFC | #2709 |  |
 | Kamaru Usman | 16-4-0 UFC | #27 |  |
 | Kamil Gawryjolek | 2-2-0 REC | #3962 |  |