The surname Hallifax may refer to:
David Hallifax (1927–1992), Constable and Governor of Windsor Castle Edwin Richard Hallifax (1874–1950), senior official in Hong Kong Emily Hallifax (born 2005), French diver Guy Hallifax (1884–1941), South African military commander Samuel Hallifax (1733–1790), English bishop and academic Thomas Hallifax (1722–1789), English politician Tom Hallifax (b. 1965), Anglo-Irish contemporary artist
See also Halifax (disambiguation)