| Piracicaba River | |
| Pushpin Map: | Brazil |
| Pushpin Map Caption: | Mouth location in Brazil |
| River System: | Doce River |
| Source1 Location: | Minas Gerais state |
| Mouth Coordinates: | -19.492°N -42.5158°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Piracicaba River is a river of Minas Gerais state in southeastern Brazil. It is a tributary of the Doce River.
The Piracicaba River forms the northern boundary of the Rio Doce State Park until the point where it enters the Doce River from the left.