Gwened is the Breton-language name for the city of Vannes, in Brittany.

Gwened may also refer to:

Bro Gwened, a historical realm and county within Brittany (named the Vannetais in French) Gwenedeg, the regional dialect of Breton in Bro Gwened

See also Gwereg Morbihan, the approximate modern area of Bro Gwened in France