Bucak is a town in Burdur Province, Turkey. It is the seat of Bucak District. Its population is 45,865 (2021), making it the second-most populous municipality of Burdur Province. It was formerly named "Oğuzhan"; the name was changed on 30 May 1926. It is said that the name Oğuzhan came from the Oghuz Turks who settled in this town.