William Arthur Galston is an American author, academic, and political advisor, who holds the Ezra K. Zilkha Chair in Governance Studies and is a senior fellow at the Brookings Institution. Formerly the Saul Stern Professor and Dean at the School of Public Policy at the University of Maryland and a professor of political science at the University of Texas, Austin, Galston specializes in issues of U.S. public philosophy and political institutions, having joined the Brookings Institution on January 1, 2006.

The University of Maryland School of Public Policy is one of 14 schools at the University of Maryland, College Park. The school is located inside the Capital Beltway.