Paul Magdalino FBA (born 10 May 1948) is Bishop Wardlaw Professor of Byzantine History in the University of St Andrews, Professor of Byzantine History at Koç University, Istanbul; and a Fellow of the British Academy.
His research interests include Byzantine history: the society, culture and economy of the Byzantine world from 6th to 13th centuries; the city of Constantinople; prophecy, scientific thought, the formation of Byzantine religious Orthodoxy.
He is well known for his monograph on the Byzantine Empire during the reign of Manuel I Komnenos (1143-1180), which challenged Niketas Choniates' negative appraisal of the ruler.
Magdalino received the 1993 Runciman Award for his work.