| Preto River | |
| Source1 Location: | Espírito Santo state |
| Mouth: | Braço Sul do Rio São Mateus (Cricaré River) |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Preto River is a river of Espírito Santo state in eastern Brazil. It is a tributary of the São Mateus River (Cricaré River).