Robert Louis Carleton (November 8, 1894, Missouri — July 13, 1956, Burbank, California) was an American pianist and composer of popular music.
He grew up in St Louis, Missouri, the son of a saloon keeper, and was earning a living by age 15 as a theatre musician.
He composed over 500 songs, including the World War I hit, "Ja-Da" in 1918.1 He made a brief appearance as a pianist in the 1946 film Bringing Up Father.