Poids Mi-Moyens Hommes
 | Kelvin Rayford | 0-1-0 REC | #6483 |  |
 | Ken Burrs | 0-1-0 REC | #6346 | |
 | Kenan Song | 6-5-0 UFC | #1474 |  |
 | Kendly St. Louis | 3-2-0 REC | #1992 | |
 | Kenny Robertson | 4-5-0 UFC | #2438 | |
 | Kevin Burns | 2-3-0 UFC | #3418 | |
 | Kevin Holland | 16-12-0, 1NC UFC | #112 | |
 | Kevin Jousset | 2-2-0 UFC | #1378 |  |
 | Kevin Pease | 1-0-0 REC | #6531 | |
 | Kevin Ruart | #7680 |  | |
 | Keyth Dawson | 0-1-0 REC | #7426 | |
 | Keyvan Rezaei | 0-1-0 REC | #6081 |  |
 | Khadim Dia | 6-0-0 REC | #731 |  |
 | Khaled Mahmoud | 0-1-0 REC | #6248 |  |
 | Khalid Satuev | 1-1-0 REC | #2110 |  |
 | Khalid Shaykhaev | 1-0-0 REC | #2797 | |
 | Khamzat Abaev | 1-1-0 REC | #479 | |
 | Khamzat Sakalov | 0-1-0 REC | #6064 | |
 | Khaos Williams | 7-4-0 UFC | #237 | |
 | Kiefer Crosbie | 0-3-0 UFC | #2649 |  |