Marvin Leonard Kalb (born June 9, 1930) is an American journalist. Kalb was the founding director of the Shorenstein Center on Media, Politics and Public Policy and Edward R. Murrow Professor of Press and Public Policy from 1987 to 1999. The Shorenstein Center and the Kennedy School are part of Harvard University. He is currently a James Clark Welling Fellow at George Washington University and a member of the Atlantic Community Advisory Board. He is a guest scholar in Foreign Policy at the Brookings Institution.