Beşiktaş Jimnastik Kulübü (Turkish pronunciation: [beˈʃiktaʃ], English: Beşiktaş Gymnastics Club), also known simply as Beşiktaş, is a Turkish multi-sport club founded in 1903, and based in the Beşiktaş district of Istanbul, Turkey.

The club's football team is one of the most successful teams in Turkey, having never been relegated to a lower division. The club won the most recent Turkish Süper Lig championship, during the 2016–17 season.