The Virtuous Sin is a 1930 American pre-Code comedy-drama film directed by George Cukor and Louis J. Gasnier and starring Walter Huston, Kay Francis, and Kenneth MacKenna. The screenplay by Martin Brown and Louise Long is based on the 1928 play The General by Lajos Zilahy. A separate 1931 German-language version The Night of Decision was shot at Paramount's Joinville Studios in Paris.