The Collegiate church and cloister of Santa Juliana (Spanish: Colegiata y Claustro de Santa Juliana) is a collegiate church located in Santillana del Mar, Spain.

It is notable as an example of Romanesque architecture It has been part of a World Heritage Site since 2015, when the Camino de Santiago (a serial site first designated in 1993) was expanded to take in more variants of the pilgrimage route.

[1] The sites included in the UNESCO designation are largely monuments, churches, or hospitals that provided services to pilgrims headed to Santiago de Compostela.

It is also protected as a Bien de Interés Cultural; it was first given a heritage listing in 1889.

[citation needed] This article about a Spanish building or structure is a stub.