| Mühlenbach | |
| Mouth Location: | Ruhr |
| Mouth Coordinates: | 51.3966°N 8.1077°W |
| Subdivision Type1: | Country |
| Subdivision Type2: | State |
| Length: | 4.8km (03miles) |
Mühlenbach is a small river of North Rhine-Westphalia, Germany. It is a left tributary of the Ruhr near Arnsberg.