Faedo Valtellino is a comune (municipality) in the Province of Sondrio in the Italian region Lombardy, located about 90 kilometres (56 mi) northeast of Milan and about 3 kilometres (2 mi) southeast of Sondrio.

Faedo Valtellino borders the municipalities of Albosaggia, Montagna in Valtellina, Piateda, and Sondrio.