LFLS Kaunas, or Lietuvos Fizinio Lavinimosi Sąjunga Kaunas, was a Lithuanian football club based in Kaunas in the years between World War I and World War II during Lithuania's first period of modern independence. The club was founded in 1919 and was a multicultural squad, which featured four Lithuanians, four Germans, and one player each of English, Jewish, and Serbian descent.
LFLS Kaunas won four titles in the A Lyga during the interwar period, including the league's first two championships. The club won another league title in 1942, but was dissolved in 1945.
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