Frederick Jackson Turner (November 14, 1861 – 1932) was an American historian.
Born in Portage, Wisconsin, Turner graduated from the University of Wisconsin in 1884 and gained his Ph.D. from Johns Hopkins University in 1890.
Frederick Jackson Turner is best remembered today for his "frontier thesis", which he first publicized on July 12, 1893 in a paper read in Chicago to the American Historical Association.