Poids Légers Hommes
 | Joaquim Silva | 7-5-0 UFC | #948 |  |
 | Joe Brammer | 0-2-0 UFC | #5121 |  |
 | Joe Duffy | 4-4-0 UFC | #2241 |  |
 | Joe Ellenberger | 1-1-0 UFC | #5780 | |
 | Joe Giannetti | 0-1-0 UFC | #3157 | |
 | Joe Lauzon | 15-12-0 UFC | #370 | |
 | Joe Proctor | 4-4-0 UFC | #2586 | |
 | Joe Solecki | 5-4-0 UFC | #1675 | |
 | Joe Stevenson | 8-8-0 UFC | #1236 | |
 | Joe Veres | 0-2-0 UFC | #4693 | |
 | Joey Gilbert | 0-1-0 UFC | #6368 | |
 | John Alessio | 0-5-0 UFC | #3197 |  |
 | John Cholish | 1-2-0 UFC | #4655 | |
 | John Gunther | 1-1-0 UFC | #4682 | |
 | John Halverson | 0-2-0 UFC | #5259 | |
 | John Kolosci | 0-1-0 UFC | #6886 | |
 | John Lewis | 1-1-0 UFC | #5334 | |
 | John Makdessi | 11-9-0 UFC | #739 | |
 | John Polakowski | 0-1-0 UFC | #6651 | |
 | Johnny Case | 4-2-0 UFC | #501 | |