Gall (plural Galls)
- A surname.
- (archaic) foreigner
- (dated) Gaul, Gaulish person
- Frenchman, Romance-speaking person not from Lower Brittany
- (historical) Gaul (person from Gaul)
- (historical) Northman, Dane (member of the Germanic tribe inhabiting the Danish islands and parts of southern Sweden)
- (historical) Norman (member of the mixed Scandinavian and Frankish peoples who, in the 11th century, were a major military power in Western Europe and who conquered the English in 1066), Anglo-Norman (descendant of the Normans who settled in England after the Norman Conquest), Englishman
- Dún na nGall (“Donegal”)
- Fine Gall (“Fingal”)
- Gall-Rómhánach (“Gallo-Roman”)
- Inse Ghall (“the Hebrides”)
From Old Irish gall (“foreigner”), from Latin Gallus (“a Gaul”), from a native Celtic name, the Gauls being the first strangers to visit or be visited by the Irish in Pre-Roman and Roman times. Compare Proto-Celtic *gallos (whence Welsh gal (“enemy, foe”)).