Combattants Brésil
| 451 |  | Joao Paulo Fagundes | 0-1-0 REC | #6668 |  |
| 452 |  | Joao Paulo Silva | 0-2-0 REC | #5840 | |
| 453 |  | Joao Pedro Moreira | 1-1-0 REC | #2581 | |
| 454 |  | Joao Pedro Saldanha | 1-1-0 REC | #6304 | |
| 455 |  | Joao Zeferino | 0-2-0 UFC | #2503 | |
| 456 |  | Joaquim Silva | 7-5-0 UFC | #738 | |
| 457 |  | Joe Moreira | 1-1-0 UFC | #4367 | |
| 458 |  | Joel dos Santos | 0-2-0 REC | #4989 | |
| 459 |  | Joel Salviano | 0-1-0 REC | #5294 | |
| 460 |  | John Allan | 0-2-0, 1NC UFC | #3125 | |
| 461 |  | John Lineker | 12-4-0 UFC | #453 | |
| 462 |  | John Teixeira da Conceicao | 0-1-0 UFC | #2998 | |
| 463 |  | Johnny Eduardo | 3-5-0 UFC | #2673 | |
| 464 |  | Johnny Walker | 8-6-0, 1NC UFC | #227 | |
| 465 |  | Joice Mara | #7117 | | |
| 466 |  | Joilton Lutterbach | 0-3-0 REC | #3566 | |
| 467 |  | Jonas Bilharinho | 1-1-0 REC | #5091 | |
| 468 |  | Jonathan Caetano | 0-1-0 REC | #5304 | |
| 469 |  | Jonathan Elias | 0-1-0 REC | #5501 | |
| 470 |  | Jorge Bueno | 1-4-0 REC | #3732 | |
| 471 |  | Jorge de Oliveira | 0-2-0 UFC | #4651 | |
| 472 |  | Jorge Santiago | 1-5-0 UFC | #3167 | |
| 473 |  | Jose Aldo | 14-9-0 UFC | #70 | |
| 474 |  | Jose Augusto | 4-2-0 REC | #1960 | |
| 475 |  | Jose Carlos Lima | 0-1-0 REC | #5115 | |