Joachim Hahn (12 August 1942 in – 27 April 1997) was a German archaeologist and expert on the Upper Paleolithic era.

He published a thesis in 1977 at the University of Cologne, entitled "The Aurignacian in Central and Eastern Europe", and subsequently published several more papers.

Beginning in 1985, Hahn was a prehistory and early history professor and member of the Academic Council at the University of Tübingen, where he was promoted to adjunct professor in 1988.

He led excavations in the Ach Valley and the caves of the Swabian Alb, where important discoveries were made, and he worked with some of the oldest man-made works of art.

In 1997, at age 54, he died of complications of cancer.