Guy G. (Gedalyah) Stroumsa (in Hebrew: גי (גדליה) סטרומזה ; born 27 July 1948 in Paris) is Martin Buber Professor Emeritus of Comparative Religion at the Hebrew University of Jerusalem and Professor of the Study of the Abrahamic Religions at the University of Oxford, where he is a Fellow of Lady Margaret Hall. He is a member of the Israel Academy of Sciences and Humanities.