Gaffney

Gaffney is a surname common to the region of Cavan in Ireland, and now spread across other English-speaking nations. Gaffney comes from the Gaelic septs of Ó Gamhna, Mac Conghamhna and Ó Caibheanaigh. Gaffney more commonly does not appear with the Gaelic prefixes of O' or Mc but there have been Gaffneys recorded with either of the Gaelic prefixes.

In Hebrew context the surname Gaffney (Hebrew: גפני, alternative English spellings: Gafni/Gafny) is used for Jewish people whose ancestors were wine makers as "Geffen" (גפן) is the Hebrew word for vitis.

Notable people with the surname include: