This Is the Army is a 1943 American wartime musical comedy film produced by Jack L. Warner and Hal B. Wallis and directed by Michael Curtiz, adapted from a wartime stage musical with the same name, designed to boost morale in the U.S. during World War II, directed by Ezra Stone. The screenplay by Casey Robinson and Claude Binyon was based on the 1942 Broadway musical written by James McColl and Irving Berlin, with music and lyrics by Berlin. Berlin composed the film's 19 songs, and sang one of them.

Jack Leonard Warner was a Canadian-American film executive, who was the president and driving force behind the Warner Bros. Studios in Burbank, California. Warner's career spanned over 55 years, surpassing that of any other of the seminal Hollywood studio moguls.