| Aubach | |
| Pushpin Map: | Hesse |
| Pushpin Map Caption: | Location of mouth in Hesse |
| Mouth Location: | Aar |
| Mouth Coordinates: | 50.2452°N 8.0644°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Hesse |
| Length: | 15.1km (09.4miles) |
Aubach is a river of Hesse, Germany. It is a tributary of the Aar near Aarbergen.