Combattants Brésil
| 451 |  | Jean Sevalho | 2-0-0 REC | #1333 |  |
| 452 |  | Jean Silva | 6-1-0 UFC | #133 | |
| 453 |  | Jeferson dos Santos | 0-1-0 REC | #6286 | |
| 454 |  | Jefferson Almeida | 0-1-0 REC | #4427 | |
| 455 |  | Jefferson Goncalves | 0-1-0 REC | #6278 | |
| 456 |  | Jefferson Nascimento | 0-1-0 UFC | #542 | |
| 457 |  | Jefferson Pontes | 0-1-0 REC | #7518 | |
| 458 |  | Jeisla Chaves | 1-0-0 UFC | #1034 | |
| 459 |  | Jenilto Matos | 0-2-0 REC | #4561 | |
| 460 |  | Jennifer Maia | 6-6-0 UFC | #1125 | |
| 461 |  | Jeovanny de Oliveira | 0-1-0 REC | #6945 | |
| 462 |  | Jessica Andrade | 17-13-0 UFC | #104 | |
| 463 |  | Jessica Cunha | 0-1-0 REC | #7780 | |
| 464 |  | Jessica Delboni | 6-2-0 REC | #2421 | |
| 465 | | Jessica Oliveira | 0-1-0 REC | #5729 | |
| 466 |  | Jhon Bryan | 0-1-0 REC | #5550 | |
| 467 |  | Jhonata Diniz | 3-2-0 UFC | #1412 | |
| 468 |  | Jhonata Silva | 1-1-0 REC | #6117 | |
| 469 |  | Jhonatan Cordeiro | 0-1-0 REC | #6192 | |
| 470 |  | Jhonatan Oliveira | 1-2-0 REC | #3274 | |
| 471 | | Jhonathan Azevedo | 0-1-0 REC | #7814 | |
| 472 |  | Jhony Gregory | 1-1-0 REC | #1798 | |
| 473 |  | Joab Souza | 0-1-0 REC | #6365 | |
| 474 |  | Joanderson Brito | 7-3-0 UFC | #277 | |
| 475 |  | Joao Dantas | 0-1-0 REC | #4766 | |