Poids Plumes Hommes
 | James Guidry | 0-1-0 REC | #7087 |  |
 | James Hendin | 4-2-0 REC | #1408 |  |
 | James Opio | 0-0-1 REC | #6209 |  |
 | Jamey Simmons | 0-2-0 UFC | #4230 | |
 | Jamie McGowan | 1-0-0 REC | #1578 |  |
 | Jan Masek | 2-2-0 REC | #1605 |  |
 | Jarno Errens | 1-3-0 UFC | #2693 |  |
 | Jason Knight | 4-5-0 UFC | #2122 | |
 | Jason Young | 1-3-0 UFC | #3024 |  |
 | Javier Garcia | 1-1-0, 1NC REC | #4345 | |
 | Javier Reyes | 1-0-0 UFC | #211 |  |
 | Javier Vazquez | 1-0-0 UFC | #5413 | |
 | Jay Cucciniello | 0-1-0 UFC | #5759 | |
 | Jaylon McDaniel | 0-1-0 REC | #6620 | |
 | Jean Silva | 6-1-0 UFC | #93 |  |
 | Jean-Jacques Lubaya | 0-1-0 REC | #5420 |  |
 | Jeferson dos Santos | 0-1-0 REC | #5792 | |
 | Jefferson Pontes | 0-1-0 REC | #6748 | |
 | Jeka Saragih | 1-3-0 UFC | #2260 |  |
 | Jelle Zeegers | 0-1-0 REC | #6364 | |