Karl Marx University

Karl Marx University may refer to:
 * The University of Leipzig; between 1953 and 1991 the university was called the Karl Marx University
 * Corvinus University of Budapest; between 1953 and 1991 the university was known as the Karl Marx University of Economics
 * Karl Marx Higher Institute of Economics, Sophia Bulgaria renamed University of National and World Economy
 * A name proposed, but never officially adopted, for the University of Trier