Poids Mi-Moyens Hommes
 | Kendly St. Louis | 3-2-0 REC | #2148 |  |
 | Kenny Robertson | 4-5-0 UFC | #2508 | |
 | Kevin Burns | 2-3-0 UFC | #3460 | |
 | Kevin Holland | 16-12-0, 1NC UFC | #125 | |
 | Kevin Jousset | 2-2-0 UFC | #1511 |  |
 | Kevin Pease | 1-0-0 REC | #6305 | |
 | Kevin Ruart | #7761 |  | |
 | Keyth Dawson | 0-1-0 REC | #7530 | |
 | Keyvan Rezaei | 0-1-0 REC | #6364 |  |
 | Khadim Dia | 6-0-0 REC | #900 |  |
 | Khaled Mahmoud | 0-1-0 REC | #6337 |  |
 | Khalid Satuev | 1-1-0 REC | #2349 |  |
 | Khalid Shaykhaev | 2-0-0 REC | #3014 | |
 | Khamzat Abaev | 1-1-0 REC | #780 | |
 | Khamzat Sakalov | 0-1-0 REC | #6247 | |
 | Khaos Williams | 7-4-0 UFC | #367 | |
 | Khindalbek Burizhonov | 0-1-0 REC | #8125 | |
 | Kiefer Crosbie | 0-3-0 UFC | #2771 |  |
 | Kiichi Kunimoto | 3-2-0 UFC | #3428 |  |
 | Kirill Negru | 0-1-0 REC | #6155 |  |