William Patrick
William Patrick may refer to:
- William Patrick (author), American author
- William Patrick (minister), minister of the Church of Scotland
- William Patrick Sr., Australian politician
- William Patrick Jr., Australian politician
- William C. Patrick III, American biologist
- William Penn Patrick, American entrepreneur and businessman
- William S. Patrick, American politician, mayor of Flint, Michigan
- William Patrick (diver), Canadian diver
- William Patrick (Canadian politician), clergyman, merchant and political figure in Canada West