Jolyon Michael Howorth (born 4 May 1945) is a British scholar of French history, European politics and defense policy. He is currently Jean Monnet Professor of European Politics and Professor Emeritus of European Studies at the University of Bath; and a Fellow at the Belfer Center for Science and International Affairs, Harvard University. He served as Visiting Professor of Public Policy at Harvard University’s Kennedy School of Government (2018–2019). He was Visiting Professor of Political Science and International Affairs at Yale University (2002–2018). He served as Professor of French Civilization at the University of Bath from 1985 to 2004.