The Monastery of San Paio de Abeleda is a medieval monastery built in the 12th century located 2 km from Abeleda, in the Galician province of Orense, Spain. Today found in a state of ruins, it was originally one of the most influential monastic centres in the province and was converted into an abbey surviving until the 19th century Ecclesiastical Confiscations of Mendizábal. It was acquired by the House of Alba in 1872.