Gronau may refer to:
Places
Germany Gronau, North Rhine-Westphalia, a city in district Borken, North Rhine-Westphalia Gronau (Westf) railway station Gronau, Lower Saxony, a city on the river Leine in district Hildesheim, Lower Saxony Gronau (Samtgemeinde), a Samtgemeinde ("collective municipality") in the district of Hildesheim, Lower Saxony Groß Grönau, a municipality in the district of Lauenburg, Schleswig-Holstein Gronau (Pinnau), a river of Schleswig-Holstein Gronau (Sinn), a river of Hesse
Greenland Gronau Nunataks People with the surname Ernst Gronau (1887–1938), German stage and film actor Hans von Gronau (1850–1940), Prussian general Jürgen Gronau (born 1962), German football player Reuben Gronau (born 1937), Israeli American economist Wolfgang von Gronau (1893–1977), German aviation pioneer