| Kopuapounamu River | |
| Source1 Location: | Raukumara Range |
| Mouth Location: | Awatere River |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 20km (10miles) |
The Kopuapounamu River is a river of the northeast of New Zealand's North Island. It flows east from the eastern end of the Raukumara Range, reaching the Awatere River 6km (04miles) south of Te Araroa.