| Bachmühlbach | |
| Mouth Coordinates: | 49.0355°N 11.9007°W |
| Progression: | Schwarze Laber→ |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Bavaria |
| Length: | 9.8km (06.1miles) |
Bachmühlbach is a river of Bavaria, Germany. It flows into the Schwarze Laber in Deuerling.