San Salvador de Oña is a monastery in Oña, in the province of Burgos, central Spain.
It was founded in 1011 by Sancho García, count of Castile, for his daughter Tigridia. In 1033 it was assigned to the Cistercian Order. In 1506 it went to the Benedictines of Valladolid. It was damaged during the Peninsular War.