William Williamson
William Williamson may refer to:
- William Williamson , US Representative
- William Williamson
- William [Crawford Williamson], English naturalist
- William D. Williamson, American, Governor of Maine, US Representative
- William [Price Williamson], American officer in the U.S. Navy
- William Williamson , Canadian canoeist
- William [Richard Williamson], English adventurer and oil company representative
- William Williamson , Anglican priest in Ireland, Archdeacon of Kildare
- William Williamson , Irish Anglican priest, Archdeacon of Glendalough
- Willie Williamson, college football coach
- Bill Williamson, Australian jockey
- Bill Williamson , English footballer