| Vomperbach | |
| Subdivision Type1: | Country |
| Source1 Location: | Karwendel mountain range |
| Mouth Coordinates: | 47.3243°N 11.6791°W |
| Length: | 17.2km (10.7miles) |
The Vomperbach is a river of Tyrol, Austria, a tributary of the Inn.
The Vomperbach rises in the Karwendel mountain range, close to the source of the Isar and flows first from west to east. In the, a tributary valley of the Inn that is partly a ravine, the Vomperbach changes its course southward and finally passes as boundary between the villages of Vomp and Terfens, where it discharges into the Inn. It has a length of .
In its upper course in the Vomper Loch, the river is partly covered by detrital, therefore almost invisible and a water quality cannot be measured. Below until its mouth the water quality remains constantly grade A and provides the villages with drinking water.