Albaredo per San Marco (Lombard: Albarii) is a comune (municipality) in the Province of Sondrio in the Italian region of Lombardy, located about 80 kilometres (50 mi) northeast of Milan and about 25 kilometres (16 mi) southwest of Sondrio.
Albaredo is crossed by the road of San Marco Pass. Albaredo per San Marco borders the following municipalities: Averara, Bema, Mezzoldo, Morbegno, Talamona, Tartano.