Poids Légers Hommes
 | Joao Zeferino | 0-2-0 UFC | #2615 |  |
 | Joaquim Silva | 7-5-0 UFC | #853 | |
 | Joe Brammer | 0-2-0 UFC | #5054 |  |
 | Joe Duffy | 4-4-0 UFC | #2189 |  |
 | Joe Ellenberger | 1-1-0 UFC | #5775 | |
 | Joe Giannetti | 0-1-0 UFC | #2746 | |
 | Joe Lauzon | 15-12-0 UFC | #328 | |
 | Joe Proctor | 4-4-0 UFC | #2467 | |
 | Joe Solecki | 5-4-0 UFC | #1567 | |
 | Joe Stevenson | 8-8-0 UFC | #1203 | |
 | Joe Veres | 0-2-0 UFC | #4256 | |
 | Joey Gilbert | 0-1-0 UFC | #6235 | |
 | John Alessio | 0-5-0 UFC | #2987 |  |
 | John Cholish | 1-2-0 UFC | #4371 | |
 | John Gunther | 1-1-0 UFC | #4266 | |
 | John Halverson | 0-2-0 UFC | #4712 | |
 | John Kolosci | 0-1-0 UFC | #6542 | |
 | John Lewis | 1-1-0 UFC | #4851 | |
 | John Makdessi | 11-9-0 UFC | #701 | |
 | John Polakowski | 0-1-0 UFC | #6024 | |