William Chappell may refer to:
- William Chappell (bishop) (1582–1649), English scholar and Church of Ireland bishop of Cork and Ross
- William Chappell (writer) (1809–1888), English writer on music, a member of the London musical firm of Chappell & Co
- William Chappell (dancer) (1907–1994), British dancer, ballet designer and producer.
- William V. Chappell, Jr. (1922–1989), U.S. Representative from Florida
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