| Curauer Au | |
| Mouth Coordinates: | 53.9692°N 10.6944°W |
| Progression: | Schwartau→ |
| Subdivision Type1: | Country |
| Subdivision Type2: | State |
Curauer Au (pronounced as /de/, also called Curau) is a river of Schleswig-Holstein, Germany. It flows into the Schwartau in Rohlsdorf (a district of Ratekau).