William Bentley (1759–1819) was an American Unitarian minister, scholar, columnist, and diarist.

William or Bill Bentley may also refer to:

• William E. Bentley (born 1960), American academic
• William Holman Bentley (1855–1905), English missionary
• William Bentley (MP), Member of Parliament for Tavistock
• William Bentley (novels)
• William Bentley, father of Derek Bentley
• Bill Bentley (footballer) (born 1947), English former professional footballer
• Bill Bentley (American football) (born 1989), American football cornerback
• Bill Bentley (record producer) (born 1950), American music industry executive

This disambiguation page lists articles associated with the title William Bentley.
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