| Kākāpō River | |
| Pushpin Map: | New Zealand#New Zealand South Island |
| Pushpin Map Size: | 270px |
| Pushpin Map Caption: | Mouth of the Kākāpō River |
| Source1 Coordinates: | -41.3553°N 172.3442°W |
| Mouth Location: | Karamea River |
| Mouth Coordinates: | -41.2596°N 172.267°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 15km (09miles) |
| Progression: | Kākāpō River → Karamea River → Ōtūmahana Estuary → Karamea Bight → Tasman Sea |
| Tributaries Left: | Huia River |
| Tributaries Right: | Cuckoo Creek |
The Kākāpō River is a river of New Zealand. It is located in the West Coast Region of the South Island. The river flows northwest from its source three kilometres west of Mount Kendall, reaching its outflow into the Karamea River 15 kilometres from the latter's mouth.