Gerald Allan "Jerry" Cohen, FBA (14 April 1941 – 5 August 2009) was a Marxist political philosopher who held the positions of Quain Professor of Jurisprudence, University College London and Chichele Professor of Social and Political Theory, All Souls College, Oxford. Born into a communist family in Montreal, Cohen was educated at McGill University, Canada (BA, philosophy and political science) and the University of Oxford (BPhil, philosophy) where he studied under Isaiah Berlin and Gilbert Ryle.