Mihrişah Sultan (fully Devletli İsmetli Mihrişah Valide Sultan Aliyyetü'ş-şân Hazretleri; birthname Agnès, also known by her epithet Gürcü Güzeli meaning "Georgian Beauty", (c. 1745 – 16 October 1805) was a Georgian consort to Ottoman Sultan Mustafa III. She was the mother of Sultan Selim III of the Ottoman Empire and his de facto co-regent as the Valide Sultan for sixteen years from 1789 until 1805.