Tous les combattants
 | Joel Sutton | 2-0-0 UFC | #3995 |  |
 | Joey Beltran | 3-6-0, 1NC UFC | #2856 | |
 | Joey Davis | 0-1-0 REC | #6692 | |
 | Joey Gambino | 0-2-0 UFC | #5131 | |
 | Joey Gilbert | 0-1-0 UFC | #6298 | |
 | Joey Gomez | 0-2-0 UFC | #4986 | |
 | Joey Hart | 3-3-0 REC | #2384 | |
 | Joey Roberts | 0-1-0 UFC | #5342 | |
 | Joffie Houlton | 3-2-0 REC | #1908 |  |
 | Johan Rodriguez | 1-1-0 REC | #5824 |  |
 | John Adajar | 0-1-0 REC | #5640 |  |
 | John Albert | 1-4-0 UFC | #3642 | |
 | John Alessio | 0-5-0 UFC | #3128 |  |
 | John Allan | 0-2-0, 1NC UFC | #3386 |  |
 | John Beckett | 2-0-0 REC | #5210 | |
 | John Caldone | 1-0-0 REC | #6848 | |
 | John Campetella | 0-1-0 UFC | #5473 | |
 | John Caseneuil | 1-2-0 REC | #3832 |  |
 | John Castaneda | 4-4-1 UFC | #1563 | |
 | John Cholish | 1-2-0 UFC | #4573 | |
 | John Cofer | 0-2-0 UFC | #5353 | |
 | John Dave Almanza | 0-1-0 REC | #5801 | |
 | John De Jesus | 2-2-0 REC | #4642 | |
 | John Dodson | 10-7-0 UFC | #541 | |
 | John Donaldson | 0-1-0 REC | #6443 | |