John D. Bessler (born October 23, 1967) is an American attorney and academic. He is a professor of law at the University of Baltimore School of Law and an adjunct professor at the Georgetown University Law Center. He is the husband of U.S. Senator Amy Klobuchar. Bessler attended Loyola Catholic School in Mankato, Minnesota, and received his B.A. in political science from the University of Minnesota, J.D. from Indiana University Maurer School of Law, M.F.A. in creative writing from Hamline University and his M.St. in international human rights law from Oxford University. Bessler studied international human rights law at Oxford University and wrote articles for the Indiana Law Journal and the Arkansas Law Review.