Emil Freiherr von Dungern

Baron Emil von Dungern (26 November 1867 – 4 September 1961) was a German internist.

Von Dungern was born in Würzburg and died in Ludwigshafen am Bodensee. In 1910–11, E. von Dungern and Ludwik Hirszfeld discovered the heritability of ABO blood groups.