Lillestrøm S.K. is a Norwegian football club from the city of Lillestrøm. It was founded in 1917.

Home Ground: Åråsen (12,000)

Honours:

Norwegian League Champions: 1959, 1976, 1977, 1986, 1989

Norwegian Cup Champions: 1977, 1978, 1981, 1985

Home page: http://www.lsk.no