William Hare
William Hare may refer to:
- William Hare , Irish criminal, member of the infamous Edinburgh duo of Burke and Hare
- William D. Hare, Oregon politician
- William Hobart Hare, Episcopal bishop in America
- William G. Hare, Oregon politician
- William Hare , English academic, professor of education and philosophy in Halifax, Nova Scotia since 1970
- William Hare , Canadian Olympic sports shooter
- William Hare, 1st Earl of Listowel, Irish peer and Member of Parliament
- William Hare, 2nd Earl of Listowel, grandson of the 1st Earl, peer and Member of Parliament
- William Hare, 3rd Earl of Listowel, son of the 2nd Earl, Baron Hare, Liberal politician
- William Hare, 5th Earl of Listowel, grandson of the 3rd Earl, Labour politician
- William Hare Group, a UK based structural steel contractor