Lord Anthony Crichton-Stuart (born 14 May 1961) is an art historian, and former head of old master paintings at Christie's in New York, where he worked from 1991 until 2006. He is now an independent art dealer in New York, specialising in Old Master Paintings. He, and his wife Alison, have three children; Flora Grace, Eliza Rose and Arthur Alec. He is the younger son of John Crichton-Stuart, 6th Marquess of Bute; as such, he is styled as a lord. He is a descendant of Bernard Forbes, 8th Earl of Granard and Beatrice Mills Forbes, an American socialite who was the daughter of Ogden Mills and a descendant of the Livingston family and the Schuyler family from New York.
He was educated at Ampleforth College & St Chad's College, Durham University.
His areas of specialty include Dutch and Flemish 17th-century paintings, and he has been active in the Old Master Paintings market for over twenty years, having worked first for the Brod Gallery in London from 1984–86, and then joining the Old Master Paintings department in Christie's London in 1987. He has been involved in the rediscovery and sale at auction of works by Joachim Wtewael, Bernardo Bellotto, Carlo Dolci, Lorenzo Baldissera Tiepolo and Ludovico Carracci.