Sobrescobio (Asturian: Sobrescubiu) is a municipality in the Autonomous Community of the Principality of Asturias, Spain. It is bordered on the north by Piloña, on the east by Caso, on the south by Aller, and on the west by Laviana. It is situated in the southeast section of Asturias, at the eastern limit of the Nalón mineral basin.