Jalaluddin Muhammad Shah (Bengali: জালালউদ্দীন মুহম্মদ শাহ; born as Yadu or Jadu) was a 15th-century Sultan of Bengal and an important figure in medieval Bengali history. Born a Hindu to his aristocratic father Raja Ganesha, he assumed the throne of Bengal after a coup which overthrew the Ilyas Shahi dynasty. He converted to Islam and ruled the Bengal Sultanate for 16 years. As a Muslim king, he brought Arakan under Bengali suzerainty and consolidated the kingdom's domestic administrative centers. He pursued relations with the Timurid Empire, Mamluk Egypt and Ming China. Bengal grew in wealth and population during his reign. He also combined Bengali and Islamic architecture.