Lorüns is a municipality in the district of Bludenz, in the Austrian state of Vorarlberg. It lies in the westernmost part of Austria, within a district whose administrative centre is the town of Bludenz.
As a municipality, Lorüns forms one of the smallest units of local government in Austria, a status it shares with the other communes of the Bludenz district. The surrounding area is Alpine, part of the broader Vorarlberg landscape in Austria's far west.