Poids Moyens Hommes
 | Jessy Joaquim | 0-1-0 REC | #5769 |  |
 | Jhonoven Pati | 0-1-0 REC | #7320 |  |
 | Jhony Gregory | 1-2-0 REC | #1670 |  |
 | Jimmie Pace Jr. | 0-1-0 REC | #5075 | |
 | Jimmy Quinlan | 0-1-0 UFC | #7262 | |
 | Joan Arastey | 0-2-0 REC | #6406 |  |
 | Joao Dantas | 0-1-0 REC | #4833 | |
 | Joao Paulo Silva | 0-2-0 REC | #5722 | |
 | Joe Ambler | 0-2-0 REC | #6820 |  |
 | Joe Doerksen | 2-7-0 UFC | #3108 |  |
 | Joe Gigliotti | 0-2-0 UFC | #4502 | |
 | Joe Pyfer | 7-1-0 UFC | #91 | |
 | Joe Riggs | 5-7-0 UFC | #2175 | |
 | Joel Kouadja | 1-1-0 REC | #3170 |  |
 | Joey Beltran | 3-6-0, 1NC UFC | #2895 | |
 | John Lober | 0-1-0 UFC | #4193 | |
 | John Moore | 0-2-0 REC | #4136 | |
 | John Phillips | 1-5-0 UFC | #2736 |  |
 | John Salter | 1-2-0 UFC | #3740 | |
 | Johnny Eblen | 8-1-0 REC | #269 | |