John Gardner (born March 23, 1965) is Professor of Jurisprudence, University of Oxford and Fellow of University College, Oxford. He received his B.A., B.C.L., M.A., and D.Phil. from the University of Oxford, where he has also been associated with New College (as a student, 1983-7), All Souls College (as a fellow, 1986–91 and 1998–2000), and Brasenose College (as a fellow, 1991–1996). From 1996 to 2000 he was Reader in Legal Philosophy at King's College, London.
Gardner was Visiting Professor at Columbia Law School in 2000 and at the University of Texas School of Law in 2006. From 2002 to 2003 and 2005 he was Georges Lurcy Visiting Professor at Yale Law School. He is also an occasional visitor at the Australian National University and the European Academy of Legal Theory in Brussels. A barrister since 1988, he was elected a Bencher of the Honourable Society of the Inner Temple (one of the Inns of Court) in 2002.
He writes on general jurisprudence, ethics, the philosophical foundations of tort law and criminal law, as well as on the philosophy of human rights.