Cunniffe is a surname. Notable people with the surname include:
Bernard Cunniffe, English professional rugby league footballer Emma Cunniffe (born 1973), British actress James Cunniffe (1896–1926), American armed robber John Cunniffe, defendant in Glik v. Cunniffe Paul Cunniffe (1961–2001), British-born, Irish singer-songwriter Tom Cunniffe, Gaelic footballer
See also Cunniff