William Neill

William Neill may refer to:


 * William Neill (poet) (1922–2010), Scottish poet
 * William Neill (rugby league) (1884–1964), Australian rugby league footballer of the early 20th century
 * William Neill, birth name of Bud Neill (1911–1970), Scottish cartoonist of the mid 20th century
 * William Neill (politician) (1889–1960), MP for Belfast North
 * Bill Neill (born 1959), American football defensive lineman
 * Billy Neill (1929–1997), Irish footballer
 * Bill Neil (visual effects artist), American visual effects artist
 * William Neill (priest) (born 1930), Archdeacon of Dromore