Poids Mi-Moyens Hommes
 | Josh Neer | 6-9-0 UFC | #1893 |  |
 | Josh Quinlan | 1-3-0 UFC | #3463 | |
 | Josh Rafferty | 0-1-0 UFC | #5807 | |
 | Josh Stuart | 0-1-0 UFC | #5805 | |
 | Josiah Harrell | 0-1-0 UFC | #1622 | |
 | Junie Browning | 1-1-0 UFC | #4350 | |
 | Justin Edwards | 2-5-0 UFC | #3359 | |
 | Jutaro Nakao | 1-1-0 UFC | #4879 |  |
 | K.J. Noons | 2-3-0, 1NC UFC | #3467 | |
 | Kamaru Usman | 16-4-0 UFC | #27 |  |
 | Karo Parisyan | 8-4-0, 1NC UFC | #1230 | |
 | Kazushi Sakuraba | 1-0-0, 1NC UFC | #3920 | |
 | Keita Nakamura | 4-7-0 UFC | #2364 | |
 | Keith Wisniewski | 0-4-0 UFC | #4063 | |
 | Kenan Song | 6-5-0 UFC | #1565 |  |
 | Kenny Robertson | 4-5-0 UFC | #2550 | |
 | Kevin Burns | 2-3-0 UFC | #3507 | |
 | Kevin Holland | 16-12-0, 1NC UFC | #133 | |
 | Kevin Jousset | 2-2-0 UFC | #1538 |  |
 | Khaos Williams | 7-4-0 UFC | #428 | |