Poids Coqs Hommes
 | Jaylon Bates | 2-1-0 REC | #5049 |  |
 | Jean Matsumoto | 3-2-0 UFC | #893 |  |
 | Jeff Curran | 0-3-0 UFC | #4111 | |
 | Jeff Hougland | 1-2-0 UFC | #4042 | |
 | Jenilto Matos | 0-1-0 REC | #6354 | |
 | Jens Pulver | 6-2-1 UFC | #613 | |
 | Jeovanny de Oliveira | 0-1-0 REC | #5975 | |
 | Jeremy Strobel Jr. | 1-0-0 REC | #4172 | |
 | Jerrell Hodge | 0-1-0 REC | #6185 | |
 | Jerrod Sanders | 1-2-0, 1NC UFC | #4234 | |
 | Jesse Butler | 0-2-0 UFC | #4455 | |
 | Jesse Strader | 0-2-0 UFC | #5256 | |
 | Jessen Ramcharan | 0-1-0 REC | #7159 | |
 | Jhon Rodriguez Tacha | 0-1-0 REC | #5533 |  |
 | Ji Yong Yang | 1-1-0 REC | #2373 |  |
 | Jimmie Rivera | 7-4-0 UFC | #1441 | |
 | Jimmy Meza | 0-1-0 REC | #7164 | |
 | Jimmy Quinn | 3-2-0 REC | #3457 |  |
 | Jin Soo Son | 0-2-0 UFC | #4265 | |
 | Jinnosuke Kashimura | 2-2-0 REC | #335 |  |