Lac des Allemands (French for "Lake of the Germans") is a Vorlage:Convert lake located mostly in St. John the Baptist Parish and partly in Lafourche and St. Charles Parishes. It is Vorlage:Convert west of New Orleans and is connected to Lake Salvador by the Bayou des Allemands. The lake is shallow, reaching a maximum depth of slightly more than 10 feet (3.3 m) and very fertile; it contains a large catfish population.
The lake, bayou, and the village of Des Allemands are named for the German settlers who originally inhabited the area.