Poids Mi-Moyens Hommes
 | Junie Browning | 1-1-0 UFC | #4321 |  |
 | Justin Edwards | 2-5-0 UFC | #3331 | |
 | Jutaro Nakao | 1-1-0 UFC | #4821 |  |
 | K.J. Noons | 2-3-0, 1NC UFC | #3414 | |
 | Kamaru Usman | 16-3-0 UFC | #33 |  |
 | Karo Parisyan | 8-4-0, 1NC UFC | #1272 | |
 | Kazushi Sakuraba | 1-0-0, 1NC UFC | #3849 | |
 | Keita Nakamura | 4-7-0 UFC | #2331 | |
 | Keith Wisniewski | 0-4-0 UFC | #4095 | |
 | Kenan Song | 6-5-0 UFC | #1550 |  |
 | Kenny Robertson | 4-5-0 UFC | #2502 | |
 | Kevin Burns | 2-3-0 UFC | #3459 | |
 | Kevin Holland | 16-12-0, 1NC UFC | #121 | |
 | Kevin Jousset | 2-2-0 UFC | #1511 |  |
 | Khaos Williams | 7-4-0 UFC | #332 | |
 | Kiefer Crosbie | 0-3-0 UFC | #2745 |  |
 | Kiichi Kunimoto | 3-2-0 UFC | #3404 | |
 | Kit Cope | 0-1-0 UFC | #5356 | |
 | Kyle Bradley | 1-3-0 UFC | #3762 | |
 | Kyle Noke | 6-6-0 UFC | #2181 |  |