Wilhelm Heizmann (born 5 September 1953) is a German philologist who is Professor and Chair of the Institute for Nordic Philology at the University of Munich.
Heizmann specializes in Germanic studies, and is a co-editor of the Germanische Altertumskunde Online.
With funding from the German Academic Exchange Service, Heizmann subsequently stayed for two years as a researcher at the Arnamagnæan Institute at the University of Copenhagen, during which he also conducted research at Reykjavík University.
From 2000 to 2001, Heizman was a visiting professor at the Institute for Germanic Studies at the University of Vienna.
Since 2002, Heizmann has been Professor and Chair of the Institute for Nordic Philology at the University of Munich.