The Hermitage of San Baudelio de Berlanga (Ermita de San Baudelio de Berlanga) is an early 11th-century church situated at Caltojar, province of Soria, Spain, 80 km south of Berlanga de Duero. It is an example of Mozarabic architecture and was built in the 11th century, in what was then the frontier between Islamic and Christian lands.