Poids Mi-Moyens Hommes
 | Kelvin Rayford | 0-1-0 REC | #6337 |  |
 | Ken Burrs | 0-1-0 REC | #6342 | |
 | Kenan Song | 6-5-0 UFC | #1431 |  |
 | Kendly St. Louis | 3-2-0 REC | #1917 | |
 | Kenny Robertson | 4-5-0 UFC | #2400 | |
 | Kevin Burns | 2-3-0 UFC | #3359 | |
 | Kevin Holland | 16-12-0, 1NC UFC | #103 | |
 | Kevin Jousset | 2-2-0 UFC | #1301 |  |
 | Kevin Pease | 1-0-0 REC | #6604 | |
 | Kevin Ruart | #7667 |  | |
 | Keyth Dawson | 0-1-0 REC | #7335 | |
 | Keyvan Rezaei | 0-1-0 REC | #6071 |  |
 | Khadim Dia | 6-0-0 REC | #646 |  |
 | Khaled Mahmoud | #7749 |  | |
 | Khalid Satuev | 1-1-0 REC | #1982 |  |
 | Khalid Shaykhaev | 1-0-0 REC | #2653 | |
 | Khamzat Abaev | 0-1-0 REC | #4001 | |
 | Khamzat Sakalov | 0-1-0 REC | #5921 | |
 | Khaos Williams | 6-4-0 UFC | #1394 | |
 | Kiefer Crosbie | 0-3-0 UFC | #2593 |  |