Thumbs Up is a 1943 American musical drama film producted by Albert J. Cohen for Republic Pictures and directed by Joseph Santley. The film stars Brenda Joyce, Richard Fraser and Elsa Lanchester. The screenplay was written by Frank Gill Jr. based on a story idea by Ray Golden and Henry K. Moritz. Musical direction was by Walter Scharf, words and music by Sammy Cahn and Jule Styne respectively. The film was released on July 5, 1943.

For a publicity stunt to boost her career, an American nightclub singer volunteers for a stint in a British munitions factory. She is so impressed by the spirit of her fellow workers that she decides to stay on.