Combattants Brésil
| 451 |  | Jean Sevalho | 2-0-0 REC | #1121 |  |
| 452 |  | Jean Silva | 6-1-0 UFC | #126 | |
| 453 |  | Jeferson dos Santos | 0-1-0 REC | #6184 | |
| 454 |  | Jefferson Almeida | 0-1-0 REC | #4334 | |
| 455 |  | Jefferson Goncalves | 0-1-0 REC | #6363 | |
| 456 |  | Jefferson Nascimento | 0-1-0 UFC | #371 | |
| 457 |  | Jefferson Pontes | 0-1-0 REC | #7334 | |
| 458 |  | Jeisla Chaves | 1-0-0 UFC | #845 | |
| 459 |  | Jenilto Matos | 0-2-0 REC | #4430 | |
| 460 |  | Jennifer Maia | 6-6-0 UFC | #1107 | |
| 461 |  | Jeovanny de Oliveira | 0-1-0 REC | #6801 | |
| 462 |  | Jessica Andrade | 17-13-0 UFC | #103 | |
| 463 |  | Jessica Cunha | 0-1-0 REC | #7698 | |
| 464 |  | Jessica Delboni | 6-2-0 REC | #2386 | |
| 465 | | Jessica Oliveira | 0-1-0 REC | #5677 | |
| 466 |  | Jhon Bryan | 0-1-0 REC | #5509 | |
| 467 |  | Jhonata Diniz | 3-2-0 UFC | #1390 | |
| 468 |  | Jhonata Silva | 1-1-0 REC | #6044 | |
| 469 |  | Jhonatan Cordeiro | 0-1-0 REC | #6116 | |
| 470 |  | Jhonatan Oliveira | 1-2-0 REC | #3197 | |
| 471 | | Jhonathan Azevedo | 0-1-0 REC | #7707 | |
| 472 |  | Jhony Gregory | 1-1-0 REC | #1577 | |
| 473 |  | Joab Souza | 0-1-0 REC | #6285 | |
| 474 |  | Joanderson Brito | 7-3-0 UFC | #204 | |
| 475 |  | Joao Dantas | 0-1-0 REC | #4679 | |