Waihopai
Waihopai is the name for:
- Waihopai River (Marlborough) , river in New Zealand
- Waihopai River (Southland) , river in New Zealand
- Waihopai Station , spy facility in New Zealand, part of the Echelon network
- Waihōpai, the Maori name for Invercargill , a city in New Zealand
