Fort Loudoun Lake
General data
- Name: Fort Loudoun Lake
- Water system: Tennessee River
- Water type: Artificial lake
- Progression: Tennessee River -> Ohio River -> Mississippi River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical, Temperate
- Continents: North America
- Countries: United States of America
Fort Loudoun Lake is a reservoir in east Tennessee on the upper Tennessee River, extending about 80 km on the water (along the river upstream) from Fort Loudoun Dam, at Lenoir City, to Knoxville.