William Henry Monk (16 March 1823 – 1 March 1889) was an English organist, church musician and music editor who composed popular hymn tunes, including one of the most famous, "Eventide", used for the hymn "Abide with Me ". He also wrote music for church services and anthems.

Willie, Billy, Bill, Will or William Henry may refer to:

William Henry Miller (1848–1922) was an American architect based in Ithaca, New York.

William Albert Henry (November 10, 1914 – August 10, 1982) was an American actor who worked in both films and television.

Sir Henry William Barnard (1799 – 5 July 1857) was an officer of the British Army. He served during the First Anglo-Afghan War and the Crimean War, rising to the rank of lieutenant-general.

William Henry Santelmann (September 23, 1863 – December 17, 1932) was director of the United States Marine Band.

William Henry Fisk (1827–1884), was an English painter of landscapes and historical subjects, and a drawing-master.

William Henry Walter Ballantine (1847 – 1911) was a British Liberal Party politician. He sat in the House of Commons from 1887 to 1895.