Obernau (disambiguation)

Obernau is a municipality in the district of Altenkirchen, Rhineland-Palatinate, Germany.

Obernau may also refer to:
 * Obernau (Rottenburg), a suburb of Rottenburg am Neckar in the district of Tübingen in Baden-Württemberg, Germany
 * Obernau (Sieg), a river of North Rhine-Westphalia, Germany
 * a district of Kriens, canton of Lucerne, Switzerland
 * a district of Aschaffenburg, Bavaria, Germany
 * a district of Kitzbühel, Tyrol, Austria