Shamsuddīn Aḥmad Shāh (Bengali: শামসউদ্দীন আহমদ শাহ, Persian: شمس الدین احمد شاه; r. 1433–1436) was the last Sultan of Bengal belonging to the House of Ganesha. He was the son and successor of Sultan Jalaluddin Muhammad Shah. After his father's death, he ascended the throne at the age of 14.