William Neill

• William Neill (poet), Scottish poet
• William Neill (rugby league), Australian rugby league footballer of the early 20th century
• William Neill, birth name of Bud Neill, Scottish cartoonist of the mid 20th century
• William Neill (politician), MP for Belfast North
• Bill Neill, American football defensive lineman
• Billy Neill, Irish footballer
• Bill Neil (visual [effects artist)], American visual effects artist
• William Neill (priest), Archdeacon of Dromore