| Ponta Grossa River | |
| Pushpin Map: | Brazil |
| Pushpin Map Caption: | Mouth location in Brazil |
| River System: | Ribeira de Iguape River |
| Source1 Location: | Paraná state |
| Mouth Coordinates: | -24.7962°N -49.2713°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Ponta Grossa River is a river of Paraná state in southern Brazil.
The Ponta Grossa River forms where the Ribeirão Pulador, which drains the Campinhos State Park, joins the Tigre River. The Ponta Grossa River is in turn a right tributary of the Ribeira de Iguape River.