| Aubach | |
| Pushpin Map: | Bavaria |
| Pushpin Map Caption: | Location of mouth in Bavaria |
| Mouth Coordinates: | 49.8169°N 9.2426°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Bavaria |
| Length: | 14km (09miles) |
Aubach is a river of Bavaria, Germany. It is a left tributary of the Elsava in Eschau.