| Cachoeira River | |
| Source1 Location: | Santa Catarina state |
| Mouth Coordinates: | -26.5867°N -50.7474°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Cachoeira River (Portuguese: Rio Cachoeira) is a river of Santa Catarina state in southeastern Brazil. It is part of the Paraná River basin and a tributary of the Timbó River.