Tous les combattants
 | Krzysztof Glowacki | 1-1-0, 1NC REC | #4078 |  |
 | Krzysztof Jotko | 11-6-0 UFC | #133 | |
 | Krzysztof Mendlewski | 0-1-0 REC | #5059 | |
 | Krzysztof Soszynski | 6-3-0 UFC | #2037 |  |
 | Kuat Khamitov | 1-0-0 REC | #2184 |  |
 | Kun Marcell | 1-0-0 REC | #7443 |  |
 | Kuniyoshi Hironaka | 1-3-0 UFC | #3950 |  |
 | Kunle Lawal | 1-0-0 REC | #2452 |  |
 | Kurban Gadzhiev | 1-2-0 REC | #3392 |  |
 | Kurban Khatataev | 1-0-0 REC | #1250 | |
 | Kurban Taygibov | 2-1-0 REC | #659 | |
 | Kurbanali Isabekov | 0-1-0 REC | #5140 | |
 | Kurt Holobaugh | 2-7-0 UFC | #2002 |  |
 | Kurt Pellegrino | 7-5-0 UFC | #1575 | |
 | Kurtis Campbell | 0-1-0 UFC | #979 |  |
 | Kurtis Ellis | 1-1-0 REC | #6152 | |
 | Kuushi Ishizaka | 1-0-0 REC | #2286 | |
 | Kuya Ito | 0-1-0 REC | #5628 | |
 | Kwan Ho Kwak | 0-2-0 UFC | #5269 |  |
 | Ky Bennett | 1-1-0 REC | #4799 | |
 | Kye Stevens | 0-2-0 REC | #6309 | |
 | Kyle Bochniak | 2-5-0 UFC | #2471 | |
 | Kyle Bradley | 1-3-0 UFC | #3473 | |
 | Kyle Clark | 1-0-0 REC | #825 | |
 | Kyle Crutchmer | 2-1-0 REC | #4299 | |