Poids Mi-Moyens Hommes
 | Josh Koscheck | 15-10-0 UFC | #333 |  |
 | Josh Neer | 6-9-0 UFC | #1927 | |
 | Josh Quinlan | 1-3-0 UFC | #3557 | |
 | Josh Rafferty | 0-1-0 UFC | #6032 | |
 | Josh Stuart | 0-1-0 UFC | #5894 | |
 | Josiah Harrell | 0-1-0 UFC | #1775 | |
 | Junie Browning | 1-1-0 UFC | #4468 | |
 | Justin Edwards | 2-5-0 UFC | #3444 | |
 | Jutaro Nakao | 1-1-0 UFC | #5007 |  |
 | K.J. Noons | 2-3-0, 1NC UFC | #3573 | |
 | Kamaru Usman | 16-4-0 UFC | #40 |  |
 | Karo Parisyan | 8-4-0, 1NC UFC | #1236 | |
 | Kazushi Sakuraba | 1-0-0, 1NC UFC | #3963 | |
 | Keita Nakamura | 4-7-0 UFC | #2379 | |
 | Keith Wisniewski | 0-4-0 UFC | #4205 | |
 | Kenan Song | 6-5-0 UFC | #1534 |  |
 | Kenny Robertson | 4-5-0 UFC | #2604 | |
 | Kevin Burns | 2-3-0 UFC | #3590 | |
 | Kevin Holland | 16-12-0, 1NC UFC | #145 | |
 | Kevin Jousset | 2-2-0 UFC | #1536 |  |