Phillip Mitchell Landrum (September 10, 1907 – November 19, 1990) was an American lawyer, World War II veteran, and politician who served twelve terms as a Democratic U.S. Representative from Georgia from 1953 to 1977.

During the Second World War, Landrum enlisted as a private in the United States Army Air Corps on October 2, 1942.

He then served as assistant attorney general of the State of Georgia in 1946-1947, and as Executive secretary to Governor Melvin E. Thompson in 1947-1948.

He was also the author of the Economic Opportunity Act of 1964, one of the key pieces of legislation of President Lyndon Johnson's War on Poverty.

This article incorporates public domain material from the Biographical Directory of the United States Congress