At War with the Army is a 1950 American musical comedy film directed by Hal Walker, released by Paramount, starring the comedy team of Martin and Lewis and introducing Polly Bergen. Filmed from July through August 1949, the film premiered in San Francisco on New Year's Eve 1950, before opening nationwide on January 17, 1951. It was re-released in 1958 by OMAT Pictures.

Martin and Lewis were an American comedy duo, comprising singer Dean Martin and comedian Jerry Lewis. They met in 1945 and debuted at Atlantic City's 500 Club on July 25, 1946; the team lasted ten years to the day. Before they teamed up, Martin was a nightclub singer, while Lewis performed a comedy act lip-synching to records.