Cudillero (Asturian: Cuideiru) is a municipality in the Principality of Asturias, Spain.

Nowadays, Cudillero's main economic activities are related to tourism, but it is also known for its fishing industry.

In addition to Castillian some locals still speak a dialect called Pixueto.

Usually, Spanish-media considers Cudillero as one of the most beautiful villages in Spain.

[2] (See image at right) The Way of Saint James, named The Northern Way (Camino de la Costa) passes through Cudillero.