Claudia Maria Buch (also Claudia-Maria Buch; born March 1966) is a German economist who currently serves as Vice President of the Bundesbank. She previously worked as professor at the University of Tübingen and served as a member of the German Council of Economic Experts. Buch worked as scientific director at the Institut für Angewandte Wirtschaftsforschung (Institute of Applied Economic Studies) in Tübingen and as chairperson of the economic council at the Federal Ministry of Economics and Technology. She still teaches at the Otto-von-Guericke-Universität Magdeburg. Her research focuses on regulation and supervision of banking.