Combattants Brésil
| 401 |  | Icaro Brito | 2-1-0 REC | #550 |  |
| 402 |  | Igor Araujo | 2-2-0 UFC | #3221 | |
| 403 |  | Igor Cavalcanti | 0-1-0 REC | #5776 | |
| 404 |  | Igor Severino | 0-1-0 UFC | #936 | |
| 405 |  | Igor Siqueira | 1-1-0 REC | #4966 | |
| 406 |  | Igor Tanabe | #7343 | | |
| 407 |  | Igor Taylon | 0-1-0 REC | #5697 | |
| 408 |  | Ilara Joanne | 4-4-0 REC | #2206 | |
| 409 |  | Ildemar Alcantara | 4-3-0 UFC | #2775 | |
| 410 |  | Iliarde Santos | 0-3-0 UFC | #4857 | |
| 411 |  | Inglesson de Lara | 1-2-0 REC | #3534 | |
| 412 |  | Ingrid Silva | 1-0-0 REC | #2514 | |
| 413 |  | Irlaine Gasai | 0-1-0 REC | #7469 | |
| 414 |  | Isabela de Padua | 0-1-0 REC | #6962 | |
| 415 |  | Isabella de Padua | 0-1-0 UFC | #6434 | |
| 416 |  | Isaias Simoes | 0-1-0 REC | #7305 | |
| 417 |  | Ismael Bonfim | 2-3-0 UFC | #724 | |
| 418 |  | Istela Nunes | 0-5-0 UFC | #2680 | |
| 419 |  | Italo Cruz | 2-1-0 REC | #1091 | |
| 420 |  | Italo Gomes | 0-2-0 REC | #4109 | |
| 421 |  | Italo Julio | 0-1-0 REC | #7314 | |
| 422 |  | Italo Ribeiro | 0-2-0 REC | #5540 | |
| 423 |  | Iuri Alcantara | 10-7-0, 1NC UFC | #1007 | |
| 424 |  | Ivan Alves | 0-1-0 REC | #6669 | |
| 425 |  | Ivan Jorge | 2-2-0 UFC | #3401 | |