Tous les combattants
 | Killian Layour | 0-1-0 REC | #7476 |  |
 | Killys Mota | 3-1-0 REC | #3509 |  |
 | Kim Tinghaugen | 0-1-0 REC | #6963 |  |
 | Kim Tran | #7759 |  | |
 | Kimo Leopoldo | 2-4-0 UFC | #2622 |  |
 | King Rikuto | #7528 |  | |
 | Kinnedy Hundley | 0-1-0 REC | #5013 | |
 | Kiran Singh | 0-1-0 REC | #5173 |  |
 | Kirill Grishenko | 1-0-0 REC | #1687 |  |
 | Kirill Kornilov | 4-2-0 REC | #748 |  |
 | Kirill Kudaktin | 0-1-0 REC | #5460 | |
 | Kirill Medvedovski | 0-1-0 REC | #7274 |  |
 | Kirill Negru | 0-1-0 REC | #5722 |  |
 | Kiru Sahota | 0-1-0 UFC | #2801 |  |
 | Kisa Miyake | 0-1-0 REC | #5577 | |
 | Kishvar Khudoyorov | 0-1-0 REC | #6894 | |
 | Kit Cope | 0-1-0 UFC | #5307 | |
 | Kitt Campbell | 2-0-0 REC | #1807 | |
 | Kiya O'Sullivan | 0-1-0 REC | #4801 |  |
 | Kkhiri Kkhiriev | 2-0-0 REC | #693 | |
 | Klaudia Sygula | 2-1-0 UFC | #1153 |  |
 | Kleber Koike Erbst | 2-3-0 REC | #1465 | |
 | Kleber Silva | 2-3-0 REC | #3503 | |
 | Kleberson Sousa | 0-1-0 REC | #6349 | |
 | Kleydson Rodrigues | 1-3-0 UFC | #3136 | |