William Henry Harrison (disambiguation)
William Henry Harrison (1773–1841) was the 9th President of the United States.
William Henry Harrison may also refer to:
- William Henry Harrison (New Zealand politician) (1831–1879), New Zealand politician
- William Henry Harrison (state legislator), an African American representative in the Georgia Legislature during the Reconstruction Era
- William Henry Harrison (businessman) (1892–1956), American general
- William Henry Harrison (Canadian politician) (1880-1955), Canadian politician
- William Henry Harrison (cricketer) (1866–1936), English cricketer
- William Henry Harrison (architect) (1897–1988), American architect in California
- William Henry Harrison (Wyoming politician) (1896–1990), American politician