Raziyyat-Ud-Dunya Wa Ud-Din (Persian: سلطان رضیه الدنیا والدین; c. 1205 – 15 October 1240), popularly known as Razia Sultan, was the Sultan of the Delhi Sultanate from 1236 until her deposition in 1240. She was the first female Muslim ruler of the Indian Subcontinent, and the only female Muslim ruler of Delhi.