Hans-Joachim Gehrke (born 28 October 1945, Salzgitter-Lebenstedt) is a German archaeologist.
From 1987 until 2008 he was professor of Ancient History at the Albert-Ludwigs-University, Freiburg, having previously taught at the Universities of Göttingen, Würzburg, and the Free University of Berlin. He was President of the German Archaeological Institute from 2008 until 2011.