Combattants Brésil
| 476 |  | Joao Souza | 0-1-0 REC | #6458 |  |
| 477 |  | Joao Victor Melo | 0-1-0 REC | #6408 | |
| 478 |  | Joao Zeferino | 0-2-0 UFC | #2651 | |
| 479 |  | Joaquim Silva | 7-5-0 UFC | #869 | |
| 480 |  | Joe Moreira | 1-1-0 UFC | #4637 | |
| 481 |  | Joel dos Santos | 0-2-0 REC | #5275 | |
| 482 |  | Joel Salviano | 0-1-0 REC | #5556 | |
| 483 |  | John Allan | 0-2-0, 1NC UFC | #3348 | |
| 484 |  | John Lineker | 12-4-0 UFC | #487 | |
| 485 |  | John Teixeira da Conceicao | 0-1-0 UFC | #3353 | |
| 486 |  | Johnny Eduardo | 3-5-0 UFC | #2910 | |
| 487 |  | Johnny Walker | 8-7-0, 1NC UFC | #270 | |
| 488 |  | Joice Mara | #7231 | | |
| 489 |  | Joilton Lutterbach | 0-3-0 REC | #3874 | |
| 490 |  | Jonas Bilharinho | 1-1-0 REC | #5221 | |
| 491 |  | Jonathan Caetano | 0-1-0 REC | #5290 | |
| 492 |  | Jonathan Elias | 0-1-0 REC | #6063 | |
| 493 |  | Jorge Bueno | 1-4-0 REC | #3970 | |
| 494 |  | Jorge de Oliveira | 0-2-0 UFC | #4959 | |
| 495 |  | Jorge Santiago | 1-5-0 UFC | #3434 | |
| 496 |  | Jose Aldo | 14-9-0 UFC | #77 | |
| 497 |  | Jose Augusto | 4-3-0 REC | #2117 | |
| 498 |  | Jose Carlos Lima | 0-1-0 REC | #5598 | |
| 499 |  | Jose Delano | 1-0-0 UFC | #668 | |
| 500 |  | Jose Henrique | 1-0-0 UFC | #1150 | |