Poids Plumes Hommes
 | Josh Emmett | 10-7-0 UFC | #346 |  |
 | Josh Grispi | 0-4-0 UFC | #3440 | |
 | Josh O'Connor | 5-0-0 REC | #1507 |  |
 | Josh Reed | 0-1-0 REC | #4931 | |
 | Josh San Diego | 0-1-0 REC | #6623 | |
 | Josh Wang-Kim | 0-1-0 REC | #5901 | |
 | Joshua Weems | 0-1-0 UFC | #3722 | |
 | Jota Ninomiya | 0-1-0 REC | #7442 | |
 | JR Coughran | 0-1-0 REC | #7191 | |
 | Juan Manuel Puig | 0-2-0 UFC | #4628 |  |
 | Julian Erosa | 9-9-0 UFC | #563 | |
 | Julian Ruiz | 0-1-0 REC | #6895 | |
 | Julio Arce | 6-4-0 UFC | #496 | |
 | Julio Cesar Neves | 0-2-0 REC | #5282 |  |
 | Julio Pereira | 2-0-0 REC | #1699 | |
 | Julius Vega | 1-0-0 REC | #6718 | |
 | Jun Young Hong | 0-2-0 REC | #3312 |  |
 | Junior Assuncao | 2-3-0 UFC | #3880 | |
 | Junior Duarte | 0-1-0 REC | #7598 | |
 | Jurabek Malaev | #7752 |  |