Hugh N. Kennedy (born 22 October 1947) is Professor of Arabic in the Faculty of Languages and Cultures at School of Oriental and African Studies, London. He was formerly a professor of history at University of St Andrews, a position he had held since 1972. Among his research topics is the History of the Islamic Middle East, Islamic Archaeology and Muslim Spain. He holds a PhD from the University of Cambridge.
- 1981, The Early Abbasid Caliphate; a Political History (Barnes and Noble, London and New York).
- 1986, The Prophet and the Age of the Caliphates, 600–1050 (London, Longman)
- 1990, Al-Mansur and al-Mahdi; being an annotated translation of vol. xxix of the History of al-Tabari (Albany, State University of New York Press)
- 1994, Crusader Castles (Cambridge, Cambridge University Press) (ISBN 0 521 42068 7)
- 1996, Muslim Spain and Portugal: a political history of al–Andalus (London, Longman) (ISBN 0 582 299683)
- 2001, The Armies of the Caliphs: military and society in the early Islamic State (London, Routledge) (ISBN 0 415 25092 7)
- 2001, Revised ed. of Crusader Castles (Cambridge, Cambridge University Press) (ISBN 0 521 79913 9)
- 2003, Mongols, Huns and Vikings: Nomads at War (London, Cassell) (ISBN 0 304 35292 6)
- 2004, The Court of the Caliphs (London, Weidenfeld and Nicolson) (ISBN 0 297 83000 7)
- 2006, The Byzantine and Early Islamic Near East (Variorum Collected Studies Series) (Farnham, Ashgate Publishing Limited) (ISBN 0 754 65909 7)
- 2004, Revised ed. of Prophet and the Age of the Caliphates, 600–1050. (London, Longman) (ISBN 0 582 40525 4)
- 2005, When Baghdad Ruled the Muslim World: The Rise and Fall of Islam's Greatest Dynasty (Cambridge, MA, Da Capo Press) (ISBN 0 306 81435 8)
- 2007, The Great Arab Conquests. How the Spread of Islam Changed the World We Live In. (London, Weidenfeld and Nicolson) (ISBN 0 297 84657 4)