Tous les combattants
 | Khurshed Kakhorov | 4-1-0 REC | #2769 |  |
 | Khusein Askhabov | 0-1-0 UFC | #5152 |  |
 | Khuseyn Tatalaev | 0-1-0 REC | #6623 | |
 | Kibedy Gordon | 1-0-0 REC | #4899 |  |
 | Kiefer Crosbie | 0-3-0 UFC | #2573 |  |
 | Kiichi Kunimoto | 3-2-0 UFC | #3245 |  |
 | Kikadze Bondo | 1-0-0 REC | #6117 |  |
 | Killian Layour | 0-1-0 REC | #7465 |  |
 | Killys Mota | 3-1-0 REC | #3500 |  |
 | Kim Tinghaugen | 0-1-0 REC | #6983 |  |
 | Kimo Leopoldo | 2-4-0 UFC | #2609 |  |
 | King Rikuto | #7520 | | |
 | Kinnedy Hundley | 0-1-0 REC | #4983 | |
 | Kiran Singh | 0-1-0 REC | #5121 |  |
 | Kirill Grishenko | 1-0-0 REC | #1650 |  |
 | Kirill Kornilov | 4-2-0 REC | #707 | |
 | Kirill Kudaktin | 0-1-0 REC | #5474 | |
 | Kirill Medvedovski | 0-1-0 REC | #7238 |  |
 | Kirill Negru | 0-1-0 REC | #5662 |  |
 | Kiru Sahota | 0-1-0 UFC | #2788 |  |
 | Kisa Miyake | 0-1-0 REC | #5548 | |
 | Kishvar Khudoyorov | 0-1-0 REC | #6861 | |
 | Kit Cope | 0-1-0 UFC | #5305 | |
 | Kitt Campbell | 2-0-0 REC | #1778 |  |
 | Kiya O'Sullivan | 0-1-0 REC | #4775 | |