Sankt Bernhard-Frauenhofen is a town in the district of Horn in Lower Austria in Austria.

21.03% of the municipality are forested.

It lies in the Waldviertel area, in the valley of the river Taffa.

There are 95 agricultural companies and 67 non-agricultural jobs.

Sankt Bernhard-Frauenhofen is subdivided into the following Katastralgemeinden: