| Opouteke River | |
| Mouth Location: | Mangakahia River |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 18km (11miles) |
The Opouteke River (in its upper reaches called Opouteke Stream) is a river of the Northland Region of New Zealand's North Island. It flows generally east, reaching the Mangakahia River just north of Pakotai and 30 kilometres north of Dargaville.