Gaël (, Gallo: Gaèu) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.

[File:Map Gaels Brythons Picts.png|thumb|right|250px|Britain and Ireland in the mid-5th century, between the Roman departure and the founding of Anglo-Saxon kingdoms. Gaelic language and culture would eventually become dominant in the Pictish area and far northern Brythonic area.]] The Gaels or Goidels are speakers of one of the Goidelic Celtic languages: Irish, Scottish Gaelic and Manx. Goidelic speech originated in Ireland and subsequently spread to western and northern Scotland and the Isle of Man.