William Dunlop
William Dunlop may refer to:
- William Dunlop , British professor of church history at the University of Edinburgh
- William Dunlop , British motorcycle racer
- William Dunlop , Covenanter and principal of Glasgow University
- William James Dunlop, Ontario MPP and cabinet minister
- William "Tiger" Dunlop, Member of Parliament for United Province of Canada and Warden of the Forests, Canada Company
- William Patterson Dunlop, Canadian actor
- William Vincent "Billy" Dunlop, convicted murderer who was the first person to be convicted under the new UK double jeopardy laws