Fritz Arnheim (29 March 1866 – 19 June 1922) was a German historian, traveler, and lecturer.
He made prolonged tours through Sweden, Belgium, and Norway (1900–12), and subsequently lectured on those countries.
In 1915 he became an editor of the Mittheilungen aus der historischen litteratur.
[1] His older sister, Clara Arnheim, was a well known painter.
He published a four volume translation of Henri Pirenne's Histoire de Belgique as Geschichte Belgiens (1899–1913).