Ambás may refer to:
Ambès (Occitan: Ambès) is a commune in the Gironde department in southwestern France.
It is located at the point, the Bec d'Ambès (Occ. bèc is cognate with Old English bæc for beck), where the rivers Garonne and Dordogne meet to form the Gironde estuary.
Ambás is one of 12 parishes (administrative divisions) in Carreño, a municipality within the province and autonomous community of Asturias, in northern Spain.
The parroquia is 3.23 km2 (1.25 sq mi) in size, with a population of 225 (INE 2007). The postal code is 33438.
Coordinates: 43°32′00″N 5°48′00″W / 43.533333°N 5.8°W / 43.533333; -5.8