Hartwin Brandt (born 29 June 1959 in Flensburg) is a German ancient historian.
After his first Staatsexamen in 1985, he received his doctorate from Frank Kolb in 1986 and then his habilitation in 1991 from the University of Tübingen, where he was a research assistant from 1986 until 1992.
In 2003/4 Brandt was Visiting Professor at the University of Exeter and he was a member of the board of directors of the Historians' Union from 2000 to 2006.
He was Henkel Fellow and Visiting Professor at the Department of Classics at Brown University in Providence (US) in 2006/7.
In addition, Brandt has been speaker of the graduate college Generationenbewusstsein und Generationenkonflikte in Antike und Mittelalter (Generational Consciousness and Generational Conflict in Antiquity and the Middle Ages) since October 2004.