Ernst-Ludwig von Thadden (born 9 July 1959, in Göttingen, Lower Saxony, Germany) is a German economist, professor at the Department of Economics of the University of Mannheim, and has been president (Rektor) of Mannheim University since October 2012. Previously he was professor of Economics at the Département d'Econométrie et Economie Politique at the University of Lausanne.