Vorderhornbach is a municipality in the district of Reutte, in the Austrian state of Tyrol. It is one of the small communities that make up the Reutte district, a region in the far west of Austria known as the Außerfern.
The village lies in the Lechtal Alps area of Tyrol, near the Lech river valley, close to the border with Germany. Like other municipalities in the district, it is part of a sparsely populated alpine region centred on the town of Reutte, the district's administrative seat.