Haji Bektash Veli (Persian: حاجی بکتاش ولی, romanized: Ḥājī Baktāš Valī; Turkish: Hacı Bektaş Veli; Albanian: Haxhi Veli Bektashi; c. 1209–1271) was an Islamic scholar, mystic, saint and philosopher from Khorasan who lived and taught in Anatolia. His original name was Muhammad. He is also referred to as the "Sultan of Hearts" and the "Dervish of the Dervishes".
He is revered among Alevis for an Islamic understanding that is esoteric, rational and humanistic. He was one of the many figures who flourished in the Sultanate of Rum and had an important influence on the culture of Turkic nomads of Asia Minor.