Weissensee (German: Weißensee) is a municipality in the district of Spittal an der Drau in Carinthia, Austria.

The lakeside resort is situated on the shore of the Weissensee within the Gailtal Alps mountain range.

Not until the 1781 Patent of Toleration issued by the Habsburg emperor Joseph II could they confess themselves and be allowed to worship in a Bethaus (i.e. "pray house" – explicitly not a church).

Summer tourism around the lake is the main component of the local economy.

In 1986, the ice chase scenes for James Bond movie The Living Daylights were shot in the town and vicinity.