Jamie Lloyd Whitten (April 18, 1910 – September 9, 1995) was an American politician and member of the Democratic Party who represented the Deep South state of Mississippi in the United States House of Representatives from 1941 to 1995. He was at the time of his departure the longest-serving U.S. Representative ever. He is the longest-serving member of Congress ever from Mississippi. He was a New Deal liberal in economic matters, and took a leading role in Congress in forming national policy and spending regarding agriculture.