Gordona is a comune (municipality) in the Province of Sondrio in the Italian region Lombardy , located about 90 kilometres (56 mi) north of Milan and about 40 kilometres (25 mi) northwest of Sondrio, on the border with Switzerland. As of 31 December 2004, it had a population of 1,770 and an area of 49.0 square kilometres (18.9 sq mi).

Gordona borders the following municipalities: Cama (Switzerland), Livo, Lostallo (Switzerland), Menarola , Mese, Prata Camportaccio , Samolaco , Verdabbio (Switzerland).

With the approval of the regional law in n. 35 of the Lombardy Region on 6 November 2015, the former municipality of Menarola was merged by incorporation into the municipality of Gordona, restoring the situation prior to a decision by the Grisons in the 18th century.