Poids Coqs Hommes
 | Joseph Yohan | 0-1-0 REC | #5434 |  |
 | Josh Hill | 1-3-0 REC | #4118 |  |
 | Josh Rettinghouse | #7317 |  | |
 | Joshua Cervantes | 0-1-0 REC | #4921 | |
 | Joshua Simpson | 1-0-0 REC | #3293 | |
 | Joshua Weems | 0-1-0 UFC | #4502 | |
 | Josias Musasa | 0-2-0 UFC | #2373 |  |
 | Josiel Silva | 3-0-0 REC | #1038 | |
 | Journey Newson | 1-4-0, 1NC UFC | #3085 | |
 | JP Buys | 0-4-0 UFC | #2903 |  |
 | Juan Archuleta | 2-2-0 REC | #4117 | |
 | Juan Diaz | 1-0-0 REC | #1510 |  |
 | Julian Orozco | #7418 | | |
 | Julien Pierre Lopez | 2-3-0 REC | #2357 |  |
 | Julio Larrave | 1-0-0 REC | #3029 | |
 | Jumabieke Tuerxun | 0-3-0 UFC | #3378 |  |
 | Juntarou Ushiku | 0-1-0 REC | #7051 |  |
 | Junya Hibino | 0-1-0 REC | #6737 | |
 | Justin Wetzell | 3-1-0 REC | #1958 | |
 | Jyrgalbek Almazbek Uulu | 0-1-0 REC | #5146 |  |