Poids Lourds Hommes
 | Jonathan Wiezorek | 1-0-0 UFC | #6310 |  |
 | Jordan Johnson | 4-0-0 UFC | #2145 | |
 | Jose Luiz | 1-0-0 UFC | #470 |  |
 | Josh Barnett | 7-3-0 UFC | #1138 | |
 | Josh Copeland | 0-2-0 UFC | #3403 | |
 | Josh Hendricks | 0-1-0 UFC | #6158 | |
 | Josh Hokit | 4-0-0 UFC | #65 | |
 | Josh Parisian | 2-5-0 UFC | #1869 | |
 | Jovan Leka | 1-0-0 UFC | #416 |  |
 | Juan Adams | 1-3-0 UFC | #3632 | |
 | Juan Espino | 2-1-0 UFC | #3353 |  |
 | Julian Sanchez | 0-1-0 UFC | #5926 | |
 | Julio Paulino | 0-2-0 UFC | #4713 | |
 | Junior Albini | 1-4-0 UFC | #3524 | |
 | Junior Dos santos | 15-8-0 UFC | #170 | |
 | Justin Eilers | 1-3-0 UFC | #3635 | |
 | Justin Frazier | 0-1-0 UFC | #4752 | |
 | Justin Martin | 1-0-0 UFC | #5543 | |
 | Justin McCully | 2-2-0 UFC | #4071 | |
 | Justin Tafa | 4-5-0, 1NC UFC | #1495 |  |