Star boat) is a sailboat class designed by Janne Jacobsson with over 530 units built.

[1] A Janne Jacobsson-design won a design competition for a utility boat held by Royal Gothenburg Yacht Club (GKSS) in 1913.

[2][3] The Stjärnbåt is a typical style for the west coast of Sweden and is clinker-built, usually in pine with the sheer strake (the top plank) in oak.

In the British Isles since 1937 there is Loch Long OD which is a Stjärnbåt with some minor modifications.

All or almost all of the successful race sailors who started their careers in the 1930s to the 1960s have sailed the Stjärnbåt.