Tous les combattants
 | Krzysztof Soszynski | 6-3-0 UFC | #2093 |  |
 | Kuat Khamitov | 1-0-0 REC | #2298 |  |
 | Kun Marcell | 1-0-0 REC | #7523 |  |
 | Kuniyoshi Hironaka | 1-3-0 UFC | #4017 |  |
 | Kunle Lawal | 1-1-0 REC | #2237 |  |
 | Kurban Gadzhiev | 1-2-0 REC | #3489 |  |
 | Kurban Khatataev | 1-0-0 REC | #1384 | |
 | Kurban Taygibov | 2-1-0 REC | #810 | |
 | Kurbanali Isabekov | 0-1-0 REC | #5256 | |
 | Kurt Holobaugh | 2-7-0 UFC | #2050 |  |
 | Kurt Pellegrino | 7-5-0 UFC | #1624 | |
 | Kurtis Campbell | 0-1-0 UFC | #1094 |  |
 | Kurtis Ellis | 1-1-0 REC | #6274 | |
 | Kuushi Ishizaka | 1-0-0 REC | #2406 | |
 | Kuya Ito | 0-1-0 REC | #5739 | |
 | Kwan Ho Kwak | 0-2-0 UFC | #5329 |  |
 | Ky Bennett | 1-1-0 REC | #4825 | |
 | Kye Stevens | 0-2-0 REC | #6404 | |
 | Kyle Bochniak | 2-5-0 UFC | #2541 | |
 | Kyle Bradley | 1-3-0 UFC | #3542 | |
 | Kyle Clark | 1-0-0 REC | #981 | |
 | Kyle Crutchmer | 2-1-0 REC | #4398 | |
 | Kyle Daukaus | 4-4-0, 1NC UFC | #586 | |
 | Kyle Driscoll | 3-0-0 REC | #2230 | |
 | Kyle Estrada | 0-1-0 REC | #5782 | |