Lake Niangua
General data
- Name: Lake Niangua
- Water system: Missouri River
- Water type: Artificial lake
- Progression: Niangua River -> Lake of the Ozarks -> Osage River -> Missouri River -> Mississippi River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Lake Niangua is a 1.5 km2 hydroelectric lake in southern Camden County, Missouri, USA, on the Niangua River. The lake has a public access with a boat ramp and picnic area.