Poids Plumes Hommes
 | Josh Clopton | 0-2-0 UFC | #4729 |  |
 | Josh Culibao | 3-4-1 UFC | #2428 |  |
 | Josh Emmett | 10-7-0 UFC | #273 | |
 | Josh Grispi | 0-4-0 UFC | #3409 | |
 | Josh O'Connor | 5-0-0 REC | #1435 |  |
 | Josh Reed | 0-1-0 REC | #4795 | |
 | Josh San Diego | 0-1-0 REC | #6398 | |
 | Josh Wang-Kim | 0-1-0 REC | #5763 | |
 | Joshua Weems | 0-1-0 UFC | #4596 | |
 | Jota Ninomiya | 0-1-0 REC | #7291 | |
 | JR Coughran | 0-1-0 REC | #7045 | |
 | Juan Manuel Puig | 0-2-0 UFC | #4582 |  |
 | Julian Erosa | 9-9-0 UFC | #519 | |
 | Julian Ruiz | 0-1-0 REC | #6477 | |
 | Julio Arce | 6-4-0 UFC | #1367 | |
 | Julio Cesar Neves | 0-2-0 REC | #4997 |  |
 | Julio Pereira | 2-0-0 REC | #1316 | |
 | Julius Vega | 1-0-0 REC | #6530 | |
 | Jun Young Hong | 0-2-0 REC | #3278 |  |
 | Junior Assuncao | 2-3-0 UFC | #3772 | |