The Red Danube
- taona: 1949
- Firenena: United States of America
- Genre: Drama, War, Romance
- Studio: Metro-Goldwyn-Mayer
- Keyword: kgb, colonel, vienna, austria, convent (nunnery), ballerina
- tale: George Sidney
- Cast: Walter Pidgeon, Ethel Barrymore, Peter Lawford, Angela Lansbury, Janet Leigh, Louis Calhern