Harry Barris (November 24, 1905 – December 13, 1962) was an American popular singer and songwriter, and is one of the earliest singers to use "scat singing" in recordings. Barris, one of Paul Whiteman's Rhythm Boys, along with Bing Crosby and Al Rinker, scatted on several songs, including "Mississippi Mud," which Barris wrote in 1927.