Tiefgraben is a municipality in the district of Vöcklabruck, in the Austrian state of Upper Austria. It is located in the Hausruckviertel region of the state, the area of Upper Austria that lies between the Hausruck hills and the Traun river.
As a municipality, Tiefgraben is one of the administrative units of the Vöcklabruck district, which occupies the southwestern part of Upper Austria and borders the state of Salzburg to the west. The district's administrative seat is the town of Vöcklabruck.
Upper Austria is one of the nine federal states of Austria, with its capital at Linz. The state is divided into three traditional regions: the Mühlviertel north of the Danube, the Innviertel in the west, and the Hausruckviertel, to which Tiefgraben belongs, in the centre and south.