Edwyn Robert Bevan OBE, FBA (15 February 1870, London – 18 October 1943, London) was a versatile English philosopher and historian of the Hellenistic world.
He was the fourteenth of sixteen children of Robert Cooper Lee Bevan, a partner in Barclays Bank, and his second wife Emma Frances Shuttleworth, daughter of Philip Nicholas Shuttleworth, Bishop of Chichester.
Bevan had an academic position at King's College London. The Arabist Anthony Ashley Bevan was his brother, the conspiracy theorist Nesta Helen Webster was his youngest sister and the artist Robert Polhill Bevan a cousin. He married Daisy Waldegrave, daughter of in 1896 and they had two daughters, Christina and Anne.
Bevan was awarded an honorary doctorate from St. Andrews in 1922 and an honorary D.Litt. from Oxford in 1923. In 1942 he became a Fellow of the British Academy.