Poids Lourds Hommes
 | Jonathan Wiezorek | 1-0-0 UFC | #6278 |  |
 | Jordan Johnson | 4-0-0 UFC | #2144 | |
 | Jose Luiz | 1-0-0 UFC | #416 |  |
 | Josh Barnett | 7-3-0 UFC | #1144 | |
 | Josh Copeland | 0-2-0 UFC | #3387 | |
 | Josh Hendricks | 0-1-0 UFC | #6133 | |
 | Josh Hokit | 4-0-0 UFC | #53 | |
 | Josh Parisian | 2-5-0 UFC | #1862 | |
 | Jovan Leka | 1-0-0 UFC | #364 |  |
 | Juan Adams | 1-3-0 UFC | #3613 | |
 | Juan Espino | 2-1-0 UFC | #3335 |  |
 | Julian Sanchez | 0-1-0 UFC | #5867 | |
 | Julio Paulino | 0-2-0 UFC | #4686 | |
 | Junior Albini | 1-4-0 UFC | #3506 | |
 | Junior Dos santos | 15-8-0 UFC | #165 | |
 | Justin Eilers | 1-3-0 UFC | #3624 | |
 | Justin Frazier | 0-1-0 UFC | #4709 | |
 | Justin Martin | 1-0-0 UFC | #5502 | |
 | Justin McCully | 2-2-0 UFC | #4036 | |
 | Justin Tafa | 4-5-0, 1NC UFC | #1491 |  |