Poids Plumes Hommes
 | Josh Clopton | 0-2-0 UFC | #4344 |  |
 | Josh Culibao | 3-4-1 UFC | #2253 |  |
 | Josh Emmett | 10-6-0 UFC | #184 | |
 | Josh Grispi | 0-4-0 UFC | #3114 | |
 | Juan Manuel Puig | 0-2-0 UFC | #4333 |  |
 | Julian Erosa | 9-8-0 UFC | #500 | |
 | Julio Arce | 6-4-0 UFC | #1393 | |
 | Junior Assuncao | 2-3-0 UFC | #3499 |  |
 | Justin Lawrence | 1-2-0 UFC | #4122 | |
 | Kaan Ofli | 2-2-0 UFC | #476 | |
 | Kai Kamaka III | 1-2-1 UFC | #1897 | |
 | Kangjie Zhu | #2217 |  | |
 | Kenny Florian | 12-5-0 UFC | #421 | |
 | Kevin Aguilar | 2-4-0 UFC | #2724 | |
 | Kevin Croom | 0-3-0, 1NC UFC | #4428 | |
 | Kevin Vallejos | 3-0-0 UFC | #375 |  |
 | Khalid Taha | 1-4-0, 1NC UFC | #1008 |  |
 | Khusein Askhabov | 0-1-0 UFC | #4995 |  |
 | Koji Oishi | 0-2-0 UFC | #4832 |  |
 | Kron Gracie | 1-3-0 UFC | #2218 | |