Poids Moyens Hommes
 | Jesse Taylor | 1-1-0 UFC | #4546 |  |
 | Jessy Joaquim | 0-1-0 REC | #5217 |  |
 | Jhonoven Pati | 0-1-0 REC | #6746 | |
 | Jhony Gregory | 1-1-0 REC | #1121 |  |
 | Jimmie Pace Jr. | #7494 | | |
 | Jimmy Quinlan | 0-1-0 UFC | #6489 | |
 | Joan Arastey | 0-2-0 REC | #6239 |  |
 | Joao Dantas | 0-1-0 REC | #4321 | |
 | Joao Paulo Silva | 0-2-0 REC | #6026 | |
 | Joe Ambler | 0-2-0 REC | #6678 |  |
 | Joe Doerksen | 2-7-0 UFC | #2890 |  |
 | Joe Gigliotti | 0-2-0 UFC | #4098 | |
 | Joe Pyfer | 7-1-0 UFC | #68 | |
 | Joe Riggs | 5-7-0 UFC | #2090 | |
 | Joel Kouadja | 1-1-0 REC | #2813 |  |
 | Joey Beltran | 3-6-0, 1NC UFC | #2703 | |
 | John Lober | 0-1-0 UFC | #3930 | |
 | John Moore | 0-2-0 REC | #3809 | |
 | John Phillips | 1-5-0 UFC | #2618 |  |
 | John Salter | 1-2-0 UFC | #3406 | |