Poids Légers Hommes
 | John Gunther | 1-1-0 UFC | #4502 |  |
 | John Halverson | 0-2-0 UFC | #5010 | |
 | John Kolosci | 0-1-0 UFC | #6571 | |
 | John Lewis | 1-1-0 UFC | #5121 | |
 | John Makdessi | 11-9-0 UFC | #705 |  |
 | John Mitchell | 3-2-0 REC | #2981 |  |
 | John Polakowski | 0-1-0 UFC | #6311 | |
 | Johnathan Waid | 1-1-0 REC | #1611 | |
 | Johnny Case | 4-2-0 UFC | #2371 | |
 | Johnny Hopper | 0-1-0 REC | #6522 | |
 | Jonatan Garcia | 0-1-0 REC | #4944 |  |
 | Jordan Cheron | 0-1-0 REC | #6887 |  |
 | Jordan Little | 1-0-0, 1NC REC | #6160 |  |
 | Jordan Rinaldi | 2-3-0 UFC | #3707 | |
 | Jordan Stronge | 2-1-0 REC | #2763 |  |
 | Jordan Vucenic | 0-2-0 UFC | #175 | |
 | Jordon Tague | 0-2-0 REC | #4203 | |
 | Jorge de Oliveira | 0-2-0 UFC | #4918 |  |
 | Jorge Gurgel | 3-4-0 UFC | #3108 | |
 | Jorge Patino | 0-1-0 UFC | #4374 | |