Poids Plumes Hommes
 | Jeremy Henry | 0-2-0 REC | #4450 |  |
 | Jeremy Kennedy | 3-1-0 UFC | #1488 |  |
 | Jeremy Larsen | 0-3-0 UFC | #4856 | |
 | Jerry Kvarnstrom | 0-1-0 REC | #7634 |  |
 | Jesse Stirn | 1-3-0 REC | #5044 | |
 | Jesus Pinedo | 1-1-0 UFC | #1261 |  |
 | Jhonatan Cordeiro | 0-1-0 REC | #6116 |  |
 | Jianping Yang | 0-1-0 UFC | #5997 |  |
 | Jim Alers | 1-2-0, 1NC UFC | #3939 | |
 | Jim Hettes | 3-3-0 UFC | #3392 | |
 | Jin Aoi | 0-2-0 REC | #3908 |  |
 | Jin Wakita | 0-1-0 REC | #5984 | |
 | Joan Rodriguez | 0-1-0 REC | #5293 |  |
 | Joanderson Brito | 7-3-0 UFC | #204 | |
 | Joao Pedro Moreira | 1-1-0 REC | #3088 | |
 | Joao Pedro Saldanha | 1-1-0 REC | #6641 | |
 | Joao Roque | 0-1-0 UFC | #5032 |  |
 | Joao Souza | 0-1-0 REC | #6392 | |
 | Joe Doyle | 0-2-0 REC | #4363 |  |
 | Joel Batobo | 0-1-0 REC | #5654 |  |