The Star is a 6.9 metres (23 ft) one-design racing keelboat for two people designed by Francis Sweisguth in 1910. The Star was an Olympic keelboat class from 1932 through to 2012, the last year keelboats appeared at the Summer Olympics.

The Olympic sailing classes have been used in the sport of Sailing/Yachting during the Olympic Summer Games since 1896. Since then, 46 different classes have been used.