Aubert Culberson Dunn (November 20, 1896 - January 4, 1987) was a U.S. Representative from Mississippi.
Born in Meridian, Mississippi, Dunn attended the public schools, the University of Mississippi at Oxford, and the University of Alabama at Tuscaloosa. Reporter on the Cincinnati Enquirer in 1917. He served in the United States Navy from December 7, 1917, to June 16, 1919. He studied law. He was admitted to the bar in 1924 and commenced practice in Meridian, Mississippi. He served as district attorney for the tenth judicial district of Mississippi 1931-1934.
Dunn was elected as a Democrat to the Seventy-fourth Congress (January 3, 1935-January 3, 1937). He was not a candidate for renomination in 1936. He served as expert to the United States Senate Committee on Finance in 1938 and as attorney for the Social Security Board in 1939. He resumed the practice of law. He served as special trial attorney, United States Attorney General's office from 1952 to 1953. Circuit judge, Tenth Judicial District, Mississippi, 1966. He was a resident of Mobile, Alabama until his death there on January 4, 1987. He was interred in Magnolia Cemetery.