| Aubach | |
| Source1 Location: | southeast of the waste management plant Linkenbach |
| Mouth Coordinates: | 50.4608°N 7.469°W |
| Subdivision Type1: | Country |
| Subdivision Type2: | State |
| Length Km: | 15.2 |
Aubach is a river of Rhineland-Palatinate, Germany. It springs southeast of the waste management plant Linkenbach. On its course, it traverses the reservoir Schwanenteich near in borough of Neuwied. It is a left tributary of the Wied in the borough Niederbieber of Neuwied.
In Oberbieber, two bridges lead across the Aubach which are both protected monuments.[1]