Paul Joannides (* 4 November 1945, London, MA PhD) is Professor in the History of Art in the University of Cambridge.
Joannides is employed by the Dept. of History of Art at the University of Cambridge. He was Assistant Lecturer 1973-1978, lecturer 1978-2002 and reader in art history 2002-2004. He has been working as Professor of art history since 2004. He was chargé de mission of the Musée du Louvre from 1991 to 1992. He is member of the Société de l'Histoire de l'Art Français.
Joannides completed his PhD on the French Romantic painter Eugène Delacroix under Professor Lee Johnson.
He is best known for his numerous academic articles on Italian renaissance artists and on the French romantic painters in specialist art magazines like The Burlington Magazine and Apollo.
His second wife was art historian Marianne Ysobel Joannides, née Sachs, who died of cancer aged 61 at home in Saffron Walden on 23 March 2007. She had taught history of art at the University of Kent at Canterbury, and was latterly employed at Bonhams auctioneers in London as a consultant in old master drawings. Whilst working at Phillips Auctioneers in 1994 she arranged a loan exhibition in London of Master Drawings from the De Pass Collection, Royal Cornwall Museum, Truro (Catalogue ISBN ).