| Sarapuí River | |
| Source1 Location: | São Paulo state |
| Mouth Location: | Sorocaba River |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Sarapuí River is a river of São Paulo state in southeastern Brazil. It is a tributary of the Sorocaba River, which flows into the Tietê River, an important tributary of the Paraná River.