| Opouawe River | |
| Source1 Location: | Aorangi Range |
| Mouth Location: | Cook Strait |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 17km (11miles) |
The Opouawe River is a river of the Wairarapa, in the Wellington Region of New Zealand's North Island. One of the North Island's southernmost rivers, it flows generally south to reach Cook Strait close to Te Kaukau Point, 12km (07miles) northeast of Cape Palliser