| Preto da Eva River | |
| River System: | Amazon River |
| Source1 Location: | Amazonas state |
| Mouth Location: | Amazon River at Amatari, Itacoatiara |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
Preto da Eva River (Portuguese: Rio Preto da Eva) is a left tributary of Amazon River in the Amazonas state in north-western Brazil.