Poids Plumes Hommes
 | Jeremy Larsen | 0-3-0 UFC | #4573 |  |
 | Jerry Kvarnstrom | 0-1-0 REC | #7411 |  |
 | Jesse Stirn | 1-3-0 REC | #4889 | |
 | Jesus Pinedo | 1-1-0 UFC | #1088 |  |
 | Jhonatan Cordeiro | 0-1-0 REC | #5624 |  |
 | Jianping Yang | 0-1-0 UFC | #6321 |  |
 | Jim Alers | 1-2-0, 1NC UFC | #3802 | |
 | Jim Hettes | 3-3-0 UFC | #3247 | |
 | Jin Aoi | 0-1-0 REC | #5350 |  |
 | Jin Wakita | 0-1-0 REC | #5743 | |
 | Joan Rodriguez | 0-1-0 REC | #5265 |  |
 | Joanderson Brito | 6-3-0 UFC | #564 | |
 | Joao Pedro Moreira | 1-1-0 REC | #2798 | |
 | Joao Pedro Saldanha | 1-1-0 REC | #6562 | |
 | Joao Roque | 0-1-0 UFC | #4987 |  |
 | Joe Doyle | 0-2-0 REC | #4014 |  |
 | Joel Batobo | 0-1-0 REC | #6110 |  |
 | Joey Gambino | 0-2-0 UFC | #4967 | |
 | John Albert | 1-4-0 UFC | #3528 | |
 | John Cofer | 0-2-0 UFC | #5038 | |