John Arthur Ferejohn (born June 6, 1944)^[1] is an American legal scholar and political scientist. He is the Samuel Tilden Professor of Law at New York University School of Law, where he has been a full-time faculty member since 2009. He previously served as a professor of social science at the California Institute of Technology and as the Carolyn S. G. Munro Professor of Political Science at Stanford University. While teaching political science at Stanford, he was also a senior fellow at their Hoover Institution. He is a member of the American Academy of Arts and Sciences, the National Academy of Sciences, and received a Guggenheim Fellowship in 1981.^[3]