Gaziantep BB Football Club, commonly known as Gaziantep BB, is a Turkish football club based in the city of Gaziantep. Gaziantep BB play their home matches at Şahinbey Stadium and are members of the Turkish Football First League.
Founded in 1924, Gaziantep BB have played in the top flight of Turkish football for all but one season since its inception. The club have contest the Turkish Cup and Turkish Super Cup on numerous occasions, as well as playing in European competitions such as the UEFA Champions League and UEFA Europa League. Gaziantep BB have also had numerous international players pass through their ranks, including 1974 FIFA World Cup winners Haji Tekin and Burak Yılmaz.
The club colours are black and green. Gaziantep BB have a fierce rivalry with Başakşehir SK, with matches between the two clubs often producing some of the highest attendances in Turkish football.