McCaffrey, sometimes spelled Caffrey or McCaffery, is an Irish surname. It is found mostly in the Counties Fermanagh, Monaghan, Cavan and Tyrone in the north west of Ireland. Ballymccaffrey is a townland outside Tempo in county Fermanagh. The surname is an Anglicised form of the Gaelic names Mac Gafraidh, Mac Gofraidh, which mean "son of Gafraidh", "son of Gofraidh". The Gaelic names are forms of the Old Norse Guðfróðr. Notable people with the surname include: