Books
An introduction to medieval Islamic philosophy, Cambridge University Press, 1985.
* Death and loss: Compassionate Attitudes in the Classroom, Cassell, 1995. +more
* Evil and suffering in Jewish philosophy, Cambridge University Press, 1995
* History of Islamic Philosophy, ed. S. H. Nasr & O. Leaman, Routledge, 1996
* Friendship East and West - Philosophical Perspectives, ed. O. Leaman, Curzon, 1996.
* History of Jewish Philosophy, ed. D. Frank & O. Leaman, Routledge, 1996.
* Moses Maimonides Curzon, 1997, 2nd Edition ("The Assault on the kalam" reprinted in Classical and Medieval Literature Criticism, vo. 76, ed. J. Krstovic, Gale Group
* Averroes and his Philosophy Curzon, 1997, 2nd Edition
* The Future of Philosophy: towards the 21st Century, ed. O. Leaman (Routledge, 1998).
* Key Concepts in Eastern Philosophy, Routledge, 1999.
* A Brief Introduction to Islamic Philosophy, Polity Press, 1999.
* Eastern Philosophy: Key Readings, London, Routledge, 2000.
* A Reader in Jewish Philosophy, ed. D. Frank, O. Leaman & C. Manekin, Routledge, 2000
* Encyclopedia of Asian Philosophy, ed. O. Leaman, Routledge, 2001
* Companion Encyclopedia of Middle Eastern and North African Film, ed. O. Leaman, Routledge, 2001
* Encyclopedia of Death and Dying, ed. G. Howarth & O. Leaman, Routledge,2001
* Introduction to Classical Islamic Philosophy, Cambridge University Press, 2001
* Cambridge Companion to Medieval Jewish Philosophy, ed. D. Frank & O. Leaman, Cambridge University Press ['Introduction'] 2003.
* Lost in Translation: Essays in Islamic and Jewish Philosophy, Sarajevo: buybook, 2004
* Islamic Aesthetics: An Introduction, Edinburgh University Press, Islamic Surveys Series, 2004.
* The Qur'an: An Encyclopedia, ed. O. Leaman, Routledge, 2006
* Islamic Philosophy A-Z, with Peter Groff, Edinburgh University Press, 2007
* Controversies in Contemporary Islam, Routledge, 2013
* The Biographical Encyclopedia of Islamic Philosophy, ed. O. Leaman, Bloomsbury, 2015
* The Qur'an: A Philosophical Guide, Bloomsbury, 2016
* Islam and Morality: A Philosophical Introduction, Bloomsbury, 2019
* Routledge Handbook of Islamic Ritual and Practice, editor, Routledge, 2022.
