| Fallbach | |
| Source1 Coordinates: | 47.3294°N 11.5307°W |
| Mouth Coordinates: | 47.297°N 11.5663°W |
| Subdivision Type1: | Country |
Fallbach is a river of Tyrol, Austria, a left tributary of the Inn at Baumkirchen. It should not be confused with the similarly named river, a left Inn tributary in Innsbruck.
The source of the Fallbach is north of Absam in the Gleirsch-Halltal Chain.