Tous les combattants
 | Kaito Oda | 0-2-0 REC | #4202 |  |
 | Kaiwen Li | 4-3-0 REC | #641 |  |
 | Kajan Johnson | 4-3-0 UFC | #2106 |  |
 | Kaleio Romero | 0-1-0 REC | #7471 |  |
 | Kaleo Meheula | #7423 | | |
 | Kali Robbins | 0-1-0 REC | #6543 | |
 | Kalib Starnes | 2-3-0 UFC | #3726 | |
 | Kalindra Faria | 0-3-0 UFC | #4178 |  |
 | Kallum Parker | 1-4-0 REC | #4920 |  |
 | Kaloyan Kolev | 0-1-0 REC | #5870 |  |
 | Kamal Dzhalavov | 1-0-0 REC | #3434 |  |
 | Kamal Mamedov | 0-3-0 REC | #3754 | |
 | Kamal Shalorus | 0-3-0 UFC | #2801 |  |
 | Kamaru Usman | 16-4-0 UFC | #43 |  |
 | Kamil Gawryjolek | 2-2-0 REC | #4126 |  |
 | Kamil Korzeniowski | 0-1-0 REC | #7193 | |
 | Kamil Minda | 2-2-0 REC | #5063 | |
 | Kamil Oniszczuk | 3-3-0 REC | #1152 | |
 | Kamil Saidov | 1-0-0 REC | #2851 | |
 | Kamil Szkaradek | 5-1-0 REC | #1656 | |
 | Kamil Wojciechowski | 0-2-0 REC | #6595 | |
 | Kamila Simkova | 0-1-0 REC | #4765 |  |
 | Kamuela Kirk | 1-2-0 UFC | #3841 | |
 | Kana Watanabe | 3-4-0 REC | #2740 | |
 | Kanako Murata | 1-2-0 UFC | #4378 | |