Poids Moyens Hommes
 | Jessy Joaquim | 0-1-0 REC | #5633 |  |
 | Jhonoven Pati | 0-1-0 REC | #7270 |  |
 | Jhony Gregory | 1-1-0 REC | #1739 |  |
 | Jimmie Pace Jr. | 0-1-0 REC | #5040 | |
 | Jimmy Quinlan | 0-1-0 UFC | #7023 | |
 | Joan Arastey | 0-2-0 REC | #6328 |  |
 | Joao Dantas | 0-1-0 REC | #4719 | |
 | Joao Paulo Silva | 0-2-0 REC | #5869 | |
 | Joe Ambler | 0-2-0 REC | #6729 |  |
 | Joe Doerksen | 2-7-0 UFC | #3086 |  |
 | Joe Gigliotti | 0-2-0 UFC | #4412 | |
 | Joe Pyfer | 7-1-0 UFC | #119 | |
 | Joe Riggs | 5-7-0 UFC | #2172 | |
 | Joel Kouadja | 1-1-0 REC | #3114 |  |
 | Joey Beltran | 3-6-0, 1NC UFC | #2878 | |
 | John Lober | 0-1-0 UFC | #4134 | |
 | John Moore | 0-2-0 REC | #4029 | |
 | John Phillips | 1-5-0 UFC | #2718 |  |
 | John Salter | 1-2-0 UFC | #3686 | |
 | Johnny Eblen | 8-1-0 REC | #181 | |