Poids Mi-Moyens Hommes
 | Josh Burkman | 6-12-0, 1NC UFC | #1846 |  |
 | 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 | |
 | Joshua Nakagawa | 0-1-0 REC | #7784 | |
 | Joshua Onwordi | 1-3-0 REC | #3490 |  |
 | Josiah Harrell | 0-1-0 UFC | #1775 | |
 | Juan Manuel Suarez | 0-2-0 REC | #5470 |  |
 | Julien Gazagnaire | 1-1-0 REC | #2512 |  |
 | Junie Browning | 1-1-0 UFC | #4468 | |
 | Junior Hernandez | 2-0-1 REC | #2448 |  |
 | Justin Burlinson | 3-1-0 REC | #2720 | |
 | Justin Edwards | 2-5-0 UFC | #3444 | |
 | Jutaro Nakao | 1-1-0 UFC | #5007 |  |
 | K.J. Noons | 2-3-0, 1NC UFC | #3573 | |
 | Kacper Koziorzebski | 5-2-0, 1NC REC | #1551 |  |
 | Kaik Brito | 6-3-0 REC | #278 |  |
 | Kamal Dzhalavov | 1-0-0 REC | #3306 |  |