San Sadurniño is a municipality in the province of A Coruña in the autonomous community of Galicia in northwestern Spain.

It is located in the valley of the Rio Grande de Xuvia.

Sights include the ruins of the Naraío Castle and the Palaces of the marquises of San Sadurniño.

List of municipalities in A Coruña

This article about a location in the autonomous community of Galicia, Spain is a stub.