Tous les combattants
 | Kaik Brito | 5-3-0 REC | #898 |  |
 | Kailan Hill | 0-1-0 REC | #6295 |  |
 | Kailin Curran | 1-6-0 UFC | #3147 |  |
 | Kaique Modesto | 0-1-0 REC | #7570 | |
 | Kairat Akhmetov | 1-0-0 REC | #2394 |  |
 | Kaisei Kuroi | 0-1-0 REC | #6842 |  |
 | Kaitlin Young | 2-3-0 REC | #4177 | |
 | Kaito Oda | 0-1-0 REC | #6014 | |
 | Kaiwen Li | 3-3-0 REC | #1821 |  |
 | Kajan Johnson | 4-3-0 UFC | #2016 |  |
 | Kaleio Romero | 0-1-0 REC | #7168 | |
 | Kaleo Meheula | #7249 | | |
 | Kali Robbins | 0-1-0 REC | #6420 | |
 | Kalib Starnes | 2-3-0 UFC | #3563 | |
 | Kalindra Faria | 0-3-0 UFC | #3856 | |
 | Kallum Parker | 1-4-0 REC | #4609 |  |
 | Kaloyan Kolev | 0-1-0 REC | #5712 |  |
 | Kamal Dzhalavov | 1-0-0 REC | #3029 |  |
 | Kamal Mamedov | 0-3-0 REC | #3445 | |
 | Kamal Shalorus | 0-3-0 UFC | #2675 |  |
 | Kamaru Usman | 16-3-0 UFC | #29 |  |
 | Kamil Gawryjolek | 2-2-0 REC | #3926 |  |
 | Kamil Minda | 2-2-0 REC | #4950 | |
 | Kamil Oniszczuk | 3-3-0 REC | #1413 | |
 | Kamil Saidov | 1-0-0 REC | #2279 | |