Villanueva de Oscos (Eonavian: Vilanova d'Ozcos) is a municipality in the Autonomous Community of the Principality of Asturias, Spain. It is bordered on the north by Vegadeo and Castropol, on the south by San Martín de Oscos and Santa Eulalia de Oscos, on the east by Illano and San Martín, and on the west by Taramundi.