William Strong
William Strong may refer to:
- William Barstow Strong, American railroad executive
- William Duncan Strong, American archaeologist and anthropologist
- William Emerson Strong, brigadier general during the American Civil War
- William G. Strong, merchant and political figure in Prince Edward Island
- William Kerley Strong, brigadier general during the American Civil War
- William Lafayette Strong, 90th mayor of New York City
- William Strong (priest, died 1654), English clergyman
- William Strong (archdeacon of Northampton)
- William Strong (Vermont politician), member of the United States House of Representatives from Vermont
- William Strong (Pennsylvania jurist), U.S. Supreme Court judge who also served on the Supreme Court of Pennsylvania and as a U. S. congressman
- William Strong (Oregon judge), American judge on the Oregon Supreme Court and Washington Supreme Court
- William Strong (Kentucky politician), member of the Kentucky House of Representatives