Poids Légers Hommes
 | Joaquim Silva | 7-5-0 UFC | #971 |  |
 | Joe Brammer | 0-2-0 UFC | #5179 |  |
 | Joe Duffy | 4-4-0 UFC | #2258 |  |
 | Joe Ellenberger | 1-1-0 UFC | #5783 | |
 | Joe Giannetti | 0-1-0 UFC | #3187 | |
 | Joe Lauzon | 15-12-0 UFC | #381 | |
 | Joe Proctor | 4-4-0 UFC | #2620 | |
 | Joe Solecki | 5-4-0 UFC | #1694 | |
 | Joe Stevenson | 8-8-0 UFC | #1246 | |
 | Joe Veres | 0-2-0 UFC | #4788 | |
 | Joey Gilbert | 0-1-0 UFC | #6242 | |
 | John Alessio | 0-5-0 UFC | #3198 |  |
 | John Cholish | 1-2-0 UFC | #4769 | |
 | John Gunther | 1-1-0 UFC | #4768 | |
 | John Halverson | 0-2-0 UFC | #5373 | |
 | John Kolosci | 0-1-0 UFC | #7018 | |
 | John Lewis | 1-1-0 UFC | #5424 | |
 | John Makdessi | 11-9-0 UFC | #737 | |
 | John Polakowski | 0-1-0 UFC | #6833 | |
 | Johnny Case | 4-2-0 UFC | #574 | |