The Gurglbach is a river of Tyrol, Austria.

The Gurglbach originates on the rock face Heiterwand near Nassereith . It flows from west to east to Tarrenz , the only village that it passes completely through. There, it changes its route and flows south to Imst where it merges with the river Inn 4 km (2.5 mi) away from the town. It has a length of 25.2 km (15.7 mi).

A calm, slow running brook, the river is one of the cleanest waters of Tyrol.