Dame Averil Millicent Cameron DBE FSA FRHistS FBA (née Sutton; born 8 February 1940), often cited as A. M. Cameron, is a British historian. She writes on Late Antiquity, Classics, and Byzantine Studies. She was Professor of Late Antique and Byzantine History at the University of Oxford, and the Warden of Keble College, Oxford, between 1994 and 2010.