Claffey is an Irish surname. People surnamed Claffey include:
Daniel Claffey (1869–1924), New Zealand cricketer Kieran Claffey (1949–1995), Irish Gaelic footballer Niall Claffey (born 1978), Irish hurler Peter Claffey (born 1996), Irish actor and rugby union player Úna Claffey (born 1947), Irish journalist and political adviser Vinny Claffey, Irish gaelic footballer (played until 2003) Gentleman Jack Gallagher, ring name of Oliver Claffey (born 1990), English wrestler