William Alley (disambiguation)

William Alley (1510–1570) was an Anglican bishop and author.

William Alley may also refer to:

• William Alley (mayor) (1483–1565), father of the bishop, English mayor for Wycombe, Buckinghamshire
• William Alley (javelin thrower) (born 1936), American javelin thrower
• William Nassau Alley (1808–1849), Irish Methodist
• Bill Alley (1919–2004), Australian cricketer