William Bentley (1759–1819) was an American Unitarian minister, scholar, columnist, and diarist.
William or Bill Bentley may also refer to: William Bentley (diplomat), British diplomat 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 (music producer) (born 1950), American music industry executive