The Viennese Opera Ball is an annual charity gala held annually under the auspices of the United States-Austrian Chamber of Commerce. The Ball is organized by Board of Directors, under President Silvia Frieser and Artistic Director Daniel Serafin.

The Vienna Opera Ball is an annual Austrian society event which takes place in the building of the Vienna State Opera in Vienna, Austria on the Thursday preceding Ash Wednesday. Together with the New Year Concert, the ball is one of the highlights of the Viennese carnival season.