Poids Moyens Hommes
 | Jesse Forbes | 0-3-0 UFC | #4492 |  |
 | Jesse Taylor | 1-1-0 UFC | #4567 | |
 | Jessy Joaquim | 0-1-0 REC | #5270 |  |
 | Jhonoven Pati | 0-1-0 REC | #6780 | |
 | Jhony Gregory | 1-1-0 REC | #1159 |  |
 | Jimmie Pace Jr. | #7506 | | |
 | Jimmy Quinlan | 0-1-0 UFC | #6531 | |
 | Joan Arastey | 0-2-0 REC | #6094 |  |
 | Joao Dantas | 0-1-0 REC | #4330 | |
 | Joao Paulo Silva | 0-2-0 REC | #5998 | |
 | Joe Ambler | 0-2-0 REC | #6658 |  |
 | Joe Doerksen | 2-7-0 UFC | #2904 |  |
 | Joe Gigliotti | 0-2-0 UFC | #4126 | |
 | Joe Pyfer | 7-1-0 UFC | #79 | |
 | Joe Riggs | 5-7-0 UFC | #2089 | |
 | Joel Kouadja | 1-1-0 REC | #2843 |  |
 | Joey Beltran | 3-6-0, 1NC UFC | #2715 | |
 | John Lober | 0-1-0 UFC | #3941 | |
 | John Moore | 0-2-0 REC | #3811 | |
 | John Phillips | 1-5-0 UFC | #2604 |  |