| Unterer Wehrbach | |
| Source1 Coordinates: | 48.1706°N 11.6125°W |
| Mouth Coordinates: | 48.169°N 11.6159°W |
| Subdivision Type1: | Country |
| Subdivision Type2: | State |
Unterer Wehrbach is of small river in the Englischer Garten, a public park in Munich, Bavaria, Germany. It branches off the Oberstjägermeisterbach and flows into the Isar.