Tous les combattants
 | Kaleo Meheula | #7008 |  | |
 | Kali Robbins | 0-1-0 REC | #6539 | |
 | Kalib Starnes | 2-3-0 UFC | #3495 |  |
 | Kalindra Faria | 0-3-0 UFC | #3750 |  |
 | Kallum Parker | 1-4-0 REC | #4466 |  |
 | Kaloyan Kolev | 0-1-0 REC | #5502 |  |
 | Kamal Dzhalavov | 1-0-0 REC | #2841 |  |
 | Kamal Mamedov | 0-3-0 REC | #3321 | |
 | Kamal Shalorus | 0-3-0 UFC | #2645 |  |
 | Kamaru Usman | 16-3-0 UFC | #28 |  |
 | Kamil Gawryjolek | 2-2-0 REC | #3827 |  |
 | Kamil Minda | 2-2-0 REC | #4840 | |
 | Kamil Oniszczuk | 2-3-0 REC | #1164 | |
 | Kamil Saidov | 1-0-0 REC | #2096 | |
 | Kamil Szkaradek | 5-1-0 REC | #1218 | |
 | Kamil Wojciechowski | 0-2-0 REC | #5933 | |
 | Kamila Simkova | 0-1-0 REC | #4337 |  |
 | Kamuela Kirk | 1-2-0 UFC | #3804 | |
 | Kana Watanabe | 3-4-0 REC | #2513 |  |
 | Kanako Murata | 1-2-0 UFC | #4172 | |
 | Kane Mousah | 1-3-0 REC | #3722 | |
| Kanean Catron | 1-0-0 REC | #1065 | |
 | Kangjie Zhu | 0-1-0 UFC | #2021 |  |
 | Kanna Asakura | 0-1-0 REC | #6598 | |
 | Kanybek Zhanybekov | 0-2-0 REC | #4612 |  |