Henry Smith (July 22, 1838 – September 16, 1916 in Milwaukee, Wisconsin) was a millwright, architect, builder and politician who was elected a member of the United States House of Representatives from Wisconsin from 1887 - 1889 as a member of the Union Labor Party. He also served as a Socialist member of the Wisconsin State Assembly in 1878. At different times, Smith ran for office (unsuccessfully or successfully) on the Socialist, Greenback, Democratic and Union Labor tickets.