| Waipati (Chaslands) River | |
| Mouth Location: | South Pacific Ocean |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Source1 Elevation: | 490m (1,610feet) |
| Mouth Elevation: | 0m (00feet) |
The Waipati River, alternatively known as the Chaslands River is a river in the eastern Catlins, New Zealand. It rises in the Maclennan Range and flows south-eastward into the Waipati Beach north of Chaslands Mistake.