Samuel Lightfoot Flournoy (November 25, 1846 – January 28, 1904) was an American lawyer, politician, and businessperson in the U.S. state of West Virginia. Flournoy served as a state senator representing the 12th Senatorial 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 West Virginia Democratic Party gubernatorial nomination in 1900.