Poids Légers Hommes
 | Joao Zeferino | 0-2-0 UFC | #2689 |  |
 | Joaquim Silva | 7-5-0 UFC | #920 | |
 | Joe Brammer | 0-2-0 UFC | #5093 |  |
 | Joe Duffy | 4-4-0 UFC | #2252 |  |
 | Joe Ellenberger | 1-1-0 UFC | #5790 | |
 | Joe Giannetti | 0-1-0 UFC | #3102 | |
 | Joe Lauzon | 15-12-0 UFC | #354 | |
 | Joe Proctor | 4-4-0 UFC | #2583 | |
 | Joe Solecki | 5-4-0 UFC | #1689 | |
 | Joe Stevenson | 8-8-0 UFC | #1235 | |
 | Joe Veres | 0-2-0 UFC | #4640 | |
 | Joey Gilbert | 0-1-0 UFC | #6280 | |
 | John Alessio | 0-5-0 UFC | #3177 |  |
 | John Cholish | 1-2-0 UFC | #4607 | |
 | John Gunther | 1-1-0 UFC | #4619 | |
 | John Halverson | 0-2-0 UFC | #5162 | |
 | John Kolosci | 0-1-0 UFC | #6768 | |
 | John Lewis | 1-1-0 UFC | #5250 | |
 | John Makdessi | 11-9-0 UFC | #715 | |
 | John Polakowski | 0-1-0 UFC | #6488 | |