Johannes Niehoff-Panagiotidis (b. 1963) is a German Byzantine scholar. Niehoff received his doctorate in 1994 with the dissertation Koine und Diglossie and was then (until 2000) research assistant to the linguist and Romance scholar Wolfgang Raible at the University of Freiburg. He completed his habilitation in 1998 at the Free University of Berlin for Byzantine and Modern Greek philology. In 2004 he was Associate Professor in the Department of Medieval Studies at the Central European University in Budapest. In 2007 he accepted a professorship for Byzantine Studies at the Free University of Berlin (as the successor to Diether Roderich Reinsch).