William Tennant may refer to: William Tennant (poet) (1784–1848), Scottish scholar and poet William Tennant (Royal Navy officer) (1890–1963), captain of HMS Repulse William Tennant (United Irishmen) (1759–1832), Ulster Presbyterian banker and revolutionary Billy Tennant (footballer) (William Tennant; 1865–1927), English footballer See also Sir William Tennant Gairdner (1824–1907), professor of medicine in the University of Glasgow William Tennent (disambiguation)