Piantedo (Lombard: Pianté) is a comune (municipality) in the Province of Sondrio in the Italian region of Lombardy , located about 80 km north of Milan and about 35 km west of Sondrio. As of 31 December 2004, it had a population of 1,258 and an area of 6.7 km2.

Piantedo borders the following municipalities: Colico , Delebio , Dubino , Gera Lario , Pagnona .