William Sampson
William Sampson may refer to:
- William Sampson , a Canadian/British citizen arrested and tortured by the Saudi government between 2000 and 2003
- William Sampson, Chief Justice of the Kentucky Supreme Court during the Civil War
- William Sampson , a United Irishmen lawyer exiled to the United States
- William Sampson , collaborated with Gervase Markham
- William Harkness Sampson, Methodist minister and educator, founder of Lawrence University
- William T. Sampson, American admiral and commander in the Spanish–American War
- William Sampson, American politician serving as a member of the New Jersey General Assembly