S.O.S Tidal Wave
- annos singulos: 1939
- Patriam: United States of America
- genus: Crime
- Studio: Republic Pictures
- keyword: husband wife relationship, gangster, hit-and-run, ventriloquist, murder, tv reporter, stock footage, fiancé fiancée relationship, faked footage, political corruption, ventriloquist's dummy, family life, father son relationship, mayoral election, comical sidekick, bombed building, gang bomber
- Director: John H. Auer
- cast: Ralph Byrd, Kay Sutton, Frank Jenks, Marc Lawrence, George Barbier, Mickey Kuhn