Lac des Allemands
General data
- Name: Lac des Allemands
- Water system: Gulf of Mexico
- Water type: Natural lake
- Progression: Bayou des Allemands -> Lake Salvador -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: North America
- Countries: United States of America
Lac des Allemands is a 4,900 ha lake located about southwest of New Orleans, Louisiana, in Lafourche, St. Charles, and St. John the Baptist Parishes. The lake name is French for "Lake of the Germans", referring to the early settlers who inhabited that part of Louisiana. St. Charles Parish and St. John the Baptist Parish are part of a region called the German Coast.