Samuel Lightfoot Flournoy (November 25, 1846 – January 28, 1904) was an American lawyer and politician in the U.S. state of West Virginia. Flournoy served as a state senator representing the 12th District in the West Virginia Senate (1885–1890) and served three terms as mayor of Romney, West Virginia. Flournoy unsuccessfully ran as a candidate for the Democratic Party's West Virginia gubernatorial nomination in 1900. Prior to his law and political careers, Flournoy served in the Confederate States Army during the American Civil War and as Principal of the Potomac Academy in Romney (1870).