Poids Plumes Hommes
 | Jonathan Pearce | 5-4-0 UFC | #1669 |  |
 | Joo Sang Yoo | 1-1-0 UFC | #2326 |  |
 | Jordan Griffin | 1-4-0 UFC | #3412 | |
 | Jordan Leavitt | 6-4-0 UFC | #689 | |
 | Jose Delano | 1-0-0 UFC | #1011 |  |
 | Jose Delgado | 4-1-0 UFC | #360 | |
 | Josh Clopton | 0-2-0 UFC | #4891 | |
 | Josh Culibao | 3-4-1 UFC | #2484 |  |
 | Josh Emmett | 10-7-0 UFC | #378 | |
 | Josh Grispi | 0-4-0 UFC | #3459 | |
 | Joshua Weems | 0-1-0 UFC | #3798 | |
 | Juan Manuel Puig | 0-2-0 UFC | #4587 |  |
 | Julian Erosa | 9-9-0 UFC | #580 | |
 | Julio Arce | 6-4-0 UFC | #572 | |
 | Junior Assuncao | 2-3-0 UFC | #3906 | |
 | Justin Lawrence | 1-2-0 UFC | #4393 | |
 | Kaan Ofli | 3-2-0 UFC | #497 | |
 | Kai Kamaka III | 2-3-1 UFC | #720 | |
 | Kangjie Zhu | 0-1-0 UFC | #2228 |  |
 | Kenny Florian | 12-5-0 UFC | #489 | |