Sir William Ernest George Archibald Weigall, 1st Baronet, was a British Conservative politician who served as Governor of South Australia from 9 June 1920 until 30 May 1922.
- Occupation
- politician
- Position held
- member of the 31st Parliament of the United Kingdom, member of the 30th Parliament of the United Kingdom, Governor of South Australia, High Sheriff of Lincolnshire
- Citizenship
- United Kingdom
- Born
- December 8, 1874, 1874
- Died
- June 3, 1952