| Aubach | |
| Pushpin Map: | Bavaria |
| Pushpin Map Caption: | Location of mouth |
| Mouth Coordinates: | 49.6086°N 11.2297°W |
| Progression: | Schwabach→ |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Bavaria |
Aubach is a river of Bavaria, Germany. It is a left tributary of the Schwabach near Igensdorf.