Bregenzer Festspiele (German pronunciation: [ˌbreːɡɛntsɐ ˈfɛst.ʃpiːlə]; Bregenz Festival) is a performing arts festival which is held every July and August in Bregenz, Vorarlberg, Austria. It features a large floating stage which is situated on Lake Constance.

The Festival became an international event in its first year 1946, one year after World War II. People from Germany, Switzerland and France came to the festival. Two stages were created out of floating barges. One barge for the Vienna Symphony Orchestra and the other barge for carrying stage structures.

The Vienna Symphony Orchestra is the biggest contributor to the Festival.