Poids Plumes Hommes
 | Jonas Bilharinho | 1-1-0 REC | #5071 |  |
 | Jonatan Kujawa | 0-1-0 REC | #6923 |  |
 | Jonathan Caetano | 0-1-0 REC | #5237 | |
 | Jonathan Pearce | 5-4-0 UFC | #1569 |  |
 | Jonathan Powell | #7338 | | |
 | Joo Sang Yoo | 1-1-0 UFC | #2173 |  |
 | Jora Ayvazyan | 3-0-0 REC | #606 |  |
 | Jordan Barton | 1-1-0 REC | #4891 |  |
 | Jordan Bradshaw | 3-0-0 REC | #385 |  |
 | Jordan Griffin | 1-4-0 UFC | #3038 | |
 | Jordan Leavitt | 6-3-0 UFC | #320 | |
 | Jordan Oliver | 3-0-0 REC | #2371 | |
 | Jordy Bakkes | 1-2-1 REC | #3880 |  |
 | Jose Delano | 4-0-0 REC | #1354 | |
 | Jose Delgado | 2-1-0 UFC | #952 | |
 | Jose Perez | 1-1-0 REC | #4248 | |
 | Jose Sanchez | 0-1-0 REC | #6168 |  |
 | Jose-Angel Rebolledo | 0-1-0 REC | #4827 |  |
 | Josef Stummer | 5-2-0 REC | #519 |  |
 | Josh Abraham | 2-1-0 REC | #872 | |