William Horwood may refer to:
- William Horwood (composer) (c. 1430–1484), English composer and musician
- William Horwood (police commissioner) (1868–1943), Commissioner of the Metropolitan Police
- William Horwood (novelist) (born 1944), English novelist
- William Horwood (by 1504-57 or later), MP for Huntingdon (UK Parliament constituency)
- William Whorwood or Horwood (by 1505–1545), Solicitor General, Attorney General and MP for Downton
- William Horwood (Chief Justice) (1862–1945), Politician and Chief Justice of Newfoundland
This disambiguation page lists articles about people with the same name.
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