John Mitchell Finnis, AC, KC (Hon), FBA (born 28 July 1940) is an Australian legal philosopher, jurist and scholar specializing in jurisprudence and the philosophy of law. He is the Biolchini Family Professor of Law, emeritus, at Notre Dame Law School and a Permanent Senior Distinguished Research Fellow at Notre Dame's de Nicola Center for Ethics and Culture. He was Professor of Law & Legal Philosophy at the University of Oxford from 1989 to 2010, where he is now professor emeritus. He acted as a constitutional adviser to successive Australian Commonwealth governments in constitutional matters and bilateral relations with the United Kingdom.