Poids Mi-Moyens Hommes
 | Joey Hart | 4-3-0 REC | #1075 |  |
 | Johan Rodriguez | 1-1-0 REC | #5959 |  |
 | John Adajar | 0-1-0 REC | #6184 |  |
 | John Caldone | 1-0-0 REC | #7223 | |
 | John Caseneuil | 1-2-0 REC | #3982 |  |
 | John Hathaway | 7-2-0 UFC | #1485 |  |
 | John Howard | 7-7-0 UFC | #1092 | |
 | John Maguire | 2-3-0 UFC | #3808 | |
 | John Palaiologos | 1-4-0 REC | #4125 |  |
 | Joilton Lutterbach | 0-3-0 REC | #4161 |  |
 | Jon Koppenhaver | 1-1-0 UFC | #3455 | |
 | Jon Manley | 0-1-0 UFC | #6928 | |
 | Jon Tabarez | 0-1-0 REC | #6472 | |
 | Jon Tuck | 4-5-0 UFC | #2580 |  |
 | Jonas Flok | 0-1-0 REC | #7567 | |
 | Jonatas Paulo | #8336 | | |
 | Jonathan Di Lorenzo | 1-0-0 REC | #2517 | |
 | Jonathan Goulet | 4-5-0 UFC | #2611 |  |
 | Jonathan Griffin | 0-1-0 REC | #7366 | |
 | Jonathan Hanes | 0-2-0 REC | #4582 | |