Gar Alperovitz (born May 5, 1936) is an American historian and political economist. Alperovitz served as a fellow of King's College, Cambridge; a founding fellow of the Harvard Institute of Politics; a founding Fellow at the Institute for Policy Studies; a guest scholar at the Brookings Institution; and the Lionel R. Bauman Professor of Political Economy at the University of Maryland Department of Government and Politics from 1999 to 2015.