The Bezirk Dornbirn is an administrative district (Bezirk) in Vorarlberg , Austria. A rather young district, it was separated from the Feldkirch District in 1969.

The area of the district is 172.7 km2, the population 82,721 (January 1, 2012), which makes a population density of 479 persons per km2. The administrative center of the district is Dornbirn.

The district consists of three municipalities, two of which (Dornbirn and Hohenems ) are towns, the third (Lustenau ) being the largest market town in Austria. Hohenems is the youngest town in Vorarlberg to have received town privileges (in 1983).