Poids Mi-Moyens Hommes
 | Jorge Lopez | 0-2-0 UFC | #4416 |  |
 | Jorge Masvidal | 12-10-0 UFC | #288 | |
 | Jorge Santiago | 1-5-0 UFC | #3185 |  |
 | Jose Barrios Vargas | 0-1-0 REC | #5169 |  |
 | Jose Henrique Souza | 0-1-0 REC | #5743 | |
 | Jose Marcos | 0-1-0 REC | #5846 | |
 | Joseilton Santos | 1-1-0 REC | #1944 | |
 | Josenaldo Silva | 0-1-0 REC | #7179 | |
 | Joseph Luciano | 1-2-0 REC | #3435 |  |
 | Josh Burkman | 6-12-0, 1NC UFC | #1724 | |
 | Josh Koscheck | 15-10-0 UFC | #280 | |
 | Josh Neer | 6-9-0 UFC | #1738 | |
 | Josh Quinlan | 1-3-0 UFC | #3146 | |
 | Josh Rafferty | 0-1-0 UFC | #5694 | |
 | Josh Stuart | 0-1-0 UFC | #5587 | |
 | Joshua Nakagawa | 0-1-0 REC | #7164 | |
 | Joshua Onwordi | 1-2-0 REC | #3427 |  |
 | Josiah Harrell | 0-1-0 UFC | #742 | |
 | Jozef Wittner | 1-2-0 REC | #3645 |  |
 | Juan Manuel Suarez | 0-2-0 REC | #4707 |  |