Joseph Heath FRSC (born 1967) is a Canadian philosopher. He is professor of philosophy at the University of Toronto, where he was formerly the director of the Centre for Ethics. He also teaches at the School of Public Policy and Governance. Heath's webpage at the University of Toronto declares his work "is all related, in one way or another, to critical social theory in the tradition of the Frankfurt School." He has published both academic and popular writings, including the bestselling The Rebel Sell, which he coauthored with Andrew Potter. His philosophical work includes papers and books in political philosophy, business ethics, rational choice theory, action theory, and critical theory. His stepmother is June Clark.
He received his Bachelor of Arts from McGill University in 1990, where his teachers included Charles Taylor, and his Master of Arts and Doctor of Philosophy (1995) degrees are from Northwestern University, where he studied under Thomas A. McCarthy and Jürgen Habermas.