Shāhzāda Bārbak (Bengali: শাহজাদা বারবক, Persian: شاهزاده باربک, lit. 'Prince Barbak'), known by his regnal title as Ghiyāsuddīn Bārbak Shāh (Bengali: গিয়াসউদ্দীন বারবক শাহ, Persian: غياث الدين باربک شاه), was the Sultan of Bengal in 1487 and the founder of the Sultanate's Habshi dynasty. He was a former commander of the palace-guards of Jalaluddin Fateh Shah court.