James Mann (Louisiana)

James Mann (June 22, 1822, Gorham, Maine – August 26, 1868, New Orleans, Louisiana) was an American politician. He served in the Maine legislature and was elected as a Democrat to the United States House of Representatives from Louisiana's 2nd congressional district but died just five weeks into his term.

Mann was a member of the Maine House of Representatives (1849–50) and Maine Senate (1851–53). He was a major in the Union Army during the American Civil War, serving as a paymaster. After the war, he remained in New Orleans as a Treasury agent. He was elected as part of Louisiana's next congressional delegation after the state was readmitted to representation; he took his seat on July 18, 1868, and died on August 26, 1868.

See also John Willis Menard.