Walter Lynwood Fleming (1874–1932) was an American historian of the South and Reconstruction. He was a leader of the Dunning School of scholars in the early 20th century, who addressed Reconstruction era history using historiographical technique. He was a professor at Vanderbilt University from 1917 through his career, also serving as Dean of the School of Arts and Sciences, and Director of the Graduate School. A prolific writer, he published ten books and 166 articles and reviews. The son of a plantation owner who had slaves, Fleming was sympathetic to White supremacist arguments and Democratic Party positions of his era while critical of Republicans and Reconstruction.