Tous les combattants
 | Joey Gilbert | 0-1-0 UFC | #6368 |  |
 | Joey Gomez | 0-2-0 UFC | #5061 | |
 | Joey Hart | 4-3-0 REC | #968 | |
 | Joey Roberts | 0-1-0 UFC | #5547 | |
 | Joey Ruquet | 0-1-0 REC | #7136 | |
 | Joffie Houlton | 3-2-0 REC | #2140 |  |
 | Johan Rodriguez | 1-1-0 REC | #5827 |  |
 | John Adajar | 0-1-0 REC | #6012 |  |
 | John Albert | 1-4-0 UFC | #3700 | |
 | John Alessio | 0-5-0 UFC | #3197 |  |
 | John Allan | 0-2-0, 1NC UFC | #3461 |  |
 | John Beckett | 2-0-0 REC | #5399 | |
 | John Caldone | 1-0-0 REC | #7163 | |
 | John Campetella | 0-1-0 UFC | #5468 | |
 | John Caseneuil | 1-2-0 REC | #3929 |  |
 | John Castaneda | 4-4-1 UFC | #1618 | |
 | John Cholish | 1-2-0 UFC | #4655 | |
 | John Cofer | 0-2-0 UFC | #5541 | |
 | John Dave Almanza | 0-1-0 REC | #5989 | |
 | John De Jesus | 2-2-0 REC | #4740 | |
 | John Dodson | 10-7-0 UFC | #564 | |
 | John Donaldson | 0-1-0 REC | #6697 | |
 | John Dowdy | 0-1-0 UFC | #7216 | |
 | John Garza | 0-1-0 UFC | #3663 | |
 | John Gunderson | 1-2-0 UFC | #4654 | |