Baha-ud-din Zakariya (Urdu and Persian: بہاءُ الدین زکریا) (c.1170 – 1262), also spelled Bahauddin Zakariya, and also known as Baha-ul-Haq and Bahauddin Zakariya Multani, was a Sunni Muslim scholar saint and poet who established the Suhrawardiyya order of Baghdad in medieval South Asia, later becoming one of the most influential spiritual leaders of his era.