Tous les combattants
 | Killys Mota | 3-1-0 REC | #3546 |  |
 | Kim Tinghaugen | 0-1-0 REC | #6981 |  |
 | Kim Tran | #7859 |  | |
 | Kimbert Alintozon | 0-1-0 REC | #6344 |  |
 | Kimo Leopoldo | 2-4-0 UFC | #2692 |  |
 | King Green | 16-12-1, 1NC UFC | #75 | |
 | King Rikuto | #7659 |  | |
 | Kinnedy Hundley | 0-1-0 REC | #5240 | |
 | Kiran Singh | 0-1-0 REC | #5355 |  |
 | Kirill Grishenko | 1-0-0 REC | #1911 |  |
 | Kirill Kornilov | 4-2-0 REC | #923 |  |
 | Kirill Kudaktin | 0-1-0 REC | #5579 | |
 | Kirill Medvedovski | 0-1-0 REC | #7267 |  |
 | Kirill Negru | 0-1-0 REC | #5969 |  |
 | Kiru Sahota | 0-1-0 UFC | #2876 |  |
 | Kisa Miyake | 0-1-0 REC | #5698 | |
 | Kishvar Khudoyorov | 0-1-0 REC | #7114 | |
 | Kit Cope | 0-1-0 UFC | #5290 | |
 | Kitt Campbell | 2-0-0 REC | #2018 | |
 | Kiya O'Sullivan | 0-1-0 REC | #4947 |  |
 | Kkhiri Kkhiriev | 2-0-0 REC | #962 | |
 | Klaudia Sygula | 2-1-0 UFC | #1381 |  |
 | Kleber Koike Erbst | 2-3-0 REC | #1651 | |
 | Kleber Silva | 2-3-0 REC | #3664 | |
 | Kleberson Sousa | 0-1-0 REC | #6583 | |