Gina Kaus (born Regina Wiener; 21 October 1893, Vienna, Austria – 23 December 1985, Los Angeles, California) was an Austrian-American novelist and screenwriter.

In the twenties, Gina Kaus published her first novel The Rise, which won the Theodor Fontane Prize, and was very active in the circle of literary intellectuals in Berlin and Vienna.

She had friendships with both Austrian writers Karl Kraus and a romance with Otto Soyka; in her autobiography she would write "...

In Paris she wrote two screenplays from her play Gefängnis ohne Gitter and her novel Die Schwestern Kleeh, which became the popular movies Prison sans barreaux and Conflict, both starring Corinne Luchaire.

One year later Prison Without Bars was shown as a BBC live television broadcast with Nova Pilbeam in the leading role.