Krummenau
Krummenau is the name of the following places:
- Krummenau (Hunsrück) , municipality in the district of Birkenfeld in Rhineland-Palatinate, Germany
- Krummenau (Neustadt) , district of the municipality Neustadt (Wied) in the district of Neuwied, Rhineland-Palatinate, Germany
- Krummenau SG , a village in the municipality of Nesslau and former municipality in the canton of St. Gallen, Switzerland
Krummenau is the name of the following rivers:
- Krummenau (Lister) , tributary of the Lister in the Märkischer Kreis in North Rhine-Westphalia, Germany