Tous les combattants
 | Kailan Hill | 0-1-0 REC | #6272 |  |
 | Kailin Curran | 1-6-0 UFC | #3149 |  |
 | Kaique Modesto | 0-1-0 REC | #7543 |  |
 | Kairat Akhmetov | 1-0-0 REC | #2372 |  |
 | Kaisei Kuroi | 0-1-0 REC | #6799 |  |
 | Kaitlin Young | 2-3-0 REC | #4174 | |
 | Kaito Oda | 0-1-0 REC | #6037 | |
 | Kaiwen Li | 3-3-0 REC | #1806 |  |
 | Kajan Johnson | 4-3-0 UFC | #2041 |  |
 | Kaleio Romero | 0-1-0 REC | #7233 | |
 | Kaleo Meheula | #7205 | | |
 | Kali Robbins | 0-1-0 REC | #6493 | |
 | Kalib Starnes | 2-3-0 UFC | #3565 | |
 | Kalindra Faria | 0-3-0 UFC | #3838 | |
 | Kallum Parker | 1-4-0 REC | #4596 |  |
 | Kaloyan Kolev | 0-1-0 REC | #5672 |  |
 | Kamal Dzhalavov | 1-0-0 REC | #3008 |  |
 | Kamal Mamedov | 0-3-0 REC | #3418 | |
 | Kamal Shalorus | 0-3-0 UFC | #2681 |  |
 | Kamaru Usman | 16-3-0 UFC | #30 |  |
 | Kamil Gawryjolek | 2-2-0 REC | #3925 |  |
 | Kamil Minda | 2-2-0 REC | #4920 | |
 | Kamil Oniszczuk | 2-3-0 REC | #1372 | |
 | Kamil Saidov | 1-0-0 REC | #2256 | |
 | Kamil Szkaradek | 5-1-0 REC | #1338 | |