Nioaque River
General data
- Name: Nioaque River
- Water system: Parana
- Water type: River
- Progression: Miranda River -> Paraguay river -> Parana -> Rio de la Plata -> Atlantic Ocean -> Planet Earth
- Climates: Tropical
- Continents: South America
- Countries: Brazil
The Nioaque River is a river of Mato Grosso do Sul state in southwestern Brazil. It is a tributary of the Miranda River, and part of the Paraguay River basin.