Poids Coqs Hommes
 | Javid Basharat | 4-2-0, 1NC UFC | #883 |  |
 | Jay Perrin | 0-3-0 UFC | #3572 |  |
 | Jaylon Bates | 2-1-0 REC | #5231 | |
 | Jean Matsumoto | 4-2-0 UFC | #573 |  |
 | Jeff Curran | 0-3-0 UFC | #4481 | |
 | Jeff Hougland | 1-2-0 UFC | #4565 | |
 | Jens Pulver | 6-2-1 UFC | #673 | |
 | Jeovanny de Oliveira | 0-1-0 REC | #7021 | |
 | Jeremy Strobel Jr. | 1-0-0 REC | #5044 | |
 | Jerrell Hodge | 0-1-0 REC | #6485 | |
 | Jerrod Sanders | 1-2-0, 1NC UFC | #4694 | |
 | Jesse Butler | 0-2-0 UFC | #4502 | |
 | Jesse Strader | 0-2-0 UFC | #5925 | |
 | Jessen Ramcharan | 0-1-0 REC | #7816 | |
 | Jessie Rosas | #7552 |  | |
 | Jhon Rodriguez Tacha | 0-1-0 REC | #5990 |  |
 | Ji Yong Yang | 1-1-0 REC | #3092 |  |
 | Jimmie Rivera | 7-4-0 UFC | #1564 | |
 | Jimmy Meza | 0-1-0 REC | #7796 | |
 | Jimmy Quinn | 3-2-0 REC | #3896 |  |