William Smyth (disambiguation)
William Smyth was an English bishop.
William Smyth may also refer to:
Politics
- Sir William Smyth, 1st Baronet, English politician
- William Smyth (Irish politician), UK MP for the Irish constituency of Westmeath, 1801–1808
- William Smyth (congressman), American politician
- William Smyth (Australian politician), Australian politician for electoral district of Gympie
- William Ross Smyth, Canadian politician
- William James Smyth, labour member of the Senate of Northern Ireland
Sports
- William Smyth (rugby union), Irish international rugby union player
- Bill Smyth (umpire), Australian cricket umpire
- Billy Smyth, Northern Irish footballer
- Bill Smyth (American football), American football player
Religion
- William Smyth (English bishop), better known as Edmund Smyth, Anglican bishop in England and South Africa
- William Smyth (Irish bishop), Anglican bishop in Ireland
- William Blood Smyth, Archdeacon of Killaloe, 1927–1938
- William Smyth (priest, born 1683), Dean of Ardfert and Archdeacon of Meath
- William Smyth (priest, born 1662), Irish Anglican priest, Archdeacon of Connor
Other
- William Smyth (architect), English Gothic architect
- William Smyth (academic administrator), English academic administrator at the University of Oxford
- William Smyth (historian), English historian
- William Henry Smyth, British astronomer and admiral
- William Smyth (professor), American mathematician