Långsjön

Långsjön ("long lake") may refer to the following lakes in Sweden:

Långsjön, Älvsjö, on the border between Stockholm and Huddinge Municipalities Långsjön, Hanveden, on the border between Huddinge and Haninge Municipalities Långsjön (Skälsätra-Tutviken), on the border between Haninge and Tyresö Municipalities Långsjön, Tyresta, in Tyresö Municipality

See also Langsjøen, a lake in Norway