Combattants Brésil
| 501 |  | Juliana de Lima Carneiro | 3-4-0 UFC | #2736 |  |
| 502 |  | Juliana Rodrigues | 0-1-0 REC | #4895 | |
| 503 |  | Juliana Velasquez | 2-4-0 REC | #2119 | |
| 504 |  | Juliano Prescendo | 1-1-0 REC | #2641 | |
| 505 |  | Julio Cesar Neves | 0-2-0 REC | #4654 | |
| 506 |  | Julio Pereira | 2-0-0 REC | #978 | |
| 507 |  | Julio Spadaccini | 1-0-0 REC | #1229 | |
| 508 |  | Junior Albini | 1-4-0 UFC | #3336 | |
| 509 |  | Junior Assis | 0-1-0 REC | #6923 | |
| 510 |  | Junior Assuncao | 2-3-0 UFC | #3627 | |
| 511 |  | Junior Dos santos | 15-8-0 UFC | #151 | |
| 512 |  | Junior Duarte | 0-1-0 REC | #7287 | |
| 513 |  | Junior Melo | 0-1-0 REC | #6087 | |
| 514 |  | Junior Orgulho | 0-1-0 REC | #6841 | |
| 515 |  | Juscelino Pantoja | 0-1-0 REC | #6160 | |
| 516 |  | Jussier da Silva | 9-7-0 UFC | #1013 | |
| 517 |  | Kaik Brito | 5-3-0 REC | #557 | |
| 518 |  | Kaique Modesto | 0-1-0 REC | #7265 | |
| 519 |  | Kalindra Faria | 0-3-0 UFC | #3625 | |
| 520 |  | Karine Silva | 5-3-0 UFC | #262 | |
| 521 |  | Karol Rosa | 8-4-0 UFC | #223 | |
| 522 |  | Karol Silva | 0-1-0 REC | #5553 | |
| 523 |  | Karoline Martins | 0-1-0 REC | #7278 | |
| 524 |  | Kaua Fernandes | 0-1-0 REC | #6890 | |
| 525 |  | Kauan Leopoldina | 0-1-0 REC | #5515 | |