Is Everybody Happy? (1929) is an American pre-Code musical film starring Ted Lewis, Alice Day, Lawrence Grant, Ann Pennington, and Julia Swayne Gordon, directed by Archie Mayo, and released by Warner Bros. The music for the film was written by Harry Akst and Grant Clarke, except for "St. Louis Blues" by W. C. Handy and "Tiger Rag". The film's title comes from Lewis's catchphrase "Is everybody happy?"

The film's soundtrack exists on Vitaphone discs preserved at the UCLA Film and Television Archive, but the film itself is considered a lost film, according to the Vitaphone Project website. A five-minute clip from the film can be found on YouTube.Lewis and his orchestra also appeared in a short subject called Is Everybody Happy? (1941), consisting of musical numbers cut from the Abbott and Costello feature film Hold That Ghost (1941) released by Universal Studios. Columbia Pictures released a feature-length biopic of Lewis also titled Is Everybody Happy? (1943).