John Hugh Arnold (born 28 November 1969) is a British historian.
He previously worked at Birkbeck College, University of London, where he specialised in the study of medieval religious culture.
He was professor of medieval history at Birkbeck College, University of London, from 2008.
He is a member of the Social History Society and the Medieval Academy of America.
[2] Arnold specialises in the study of medieval religious culture, saying that while he has never been a believer in any religion, "belief" has always fascinated him.