Tous les combattants
 | Kaisei Kuroi | 0-1-0 REC | #6904 |  |
 | Kaitlin Young | 2-3-0 REC | #4060 |  |
 | Kaito Oda | 0-1-0 REC | #6232 | |
 | Kaiwen Li | 4-3-0 REC | #404 |  |
 | Kajan Johnson | 4-3-0 UFC | #2029 |  |
 | Kaleio Romero | 0-1-0 REC | #7326 | |
 | Kaleo Meheula | #7588 | | |
 | Kali Robbins | 0-1-0 REC | #6476 | |
 | Kalib Starnes | 2-3-0 UFC | #3665 | |
 | Kalindra Faria | 0-3-0 UFC | #4001 |  |
 | Kallum Parker | 1-4-0 REC | #4739 |  |
 | Kaloyan Kolev | 0-1-0 REC | #5801 |  |
 | Kamal Dzhalavov | 1-0-0 REC | #3244 |  |
 | Kamal Mamedov | 0-3-0 REC | #3611 | |
 | Kamal Shalorus | 0-3-0 UFC | #2722 |  |
 | Kamaru Usman | 16-4-0 UFC | #35 |  |
 | Kamil Gawryjolek | 2-2-0 REC | #4002 |  |
 | Kamil Minda | 2-2-0 REC | #4896 | |
 | Kamil Oniszczuk | 3-3-0 REC | #861 | |
 | Kamil Saidov | 1-0-0 REC | #2591 | |
 | Kamil Szkaradek | 5-1-0 REC | #1519 | |
 | Kamil Wojciechowski | 0-2-0 REC | #6308 | |
 | Kamila Simkova | 0-1-0 REC | #4524 |  |
 | Kamuela Kirk | 1-2-0 UFC | #3831 | |
 | Kana Watanabe | 3-4-0 REC | #2669 | |