Poids Moyens Hommes
 | Jesse Taylor | 1-1-0 UFC | #4844 |  |
 | Jessy Joaquim | 0-1-0 REC | #5756 |  |
 | Jhonoven Pati | 0-1-0 REC | #7315 | |
 | Jhony Gregory | 1-2-0 REC | #1577 |  |
 | Jimmie Pace Jr. | 0-1-0 REC | #5059 | |
 | Jimmy Quinlan | 0-1-0 UFC | #7163 | |
 | Joan Arastey | 0-2-0 REC | #6391 |  |
 | Joao Dantas | 0-1-0 REC | #4794 | |
 | Joao Paulo Silva | 0-2-0 REC | #5734 | |
 | Joe Ambler | 0-2-0 REC | #6780 |  |
 | Joe Doerksen | 2-7-0 UFC | #3095 |  |
 | Joe Gigliotti | 0-2-0 UFC | #4448 | |
 | Joe Pyfer | 7-1-0 UFC | #124 | |
 | Joe Riggs | 5-7-0 UFC | #2168 | |
 | Joel Kouadja | 1-1-0 REC | #3134 |  |
 | Joey Beltran | 3-6-0, 1NC UFC | #2871 | |
 | John Lober | 0-1-0 UFC | #4174 | |
 | John Moore | 0-2-0 REC | #4074 | |
 | John Phillips | 1-5-0 UFC | #2718 |  |
 | John Salter | 1-2-0 UFC | #3702 | |