William Fownes
William Fownes may refer to:
William C. Fownes Jr. (1877–1950), American golfer
Sir William Fownes, 1st Baronet (died 1735), MP for Wicklow
Sir William Fownes, 2nd Baronet (1709–1778), MP for Dingle, Knocktopher and Wicklow

See also
Fownes (surname)