Traona is a comune (municipality) in the Province of Sondrio in the Italian region Lombardy , located about 80 kilometres (50 mi) northeast of Milan and about 25 kilometres (16 mi) west of Sondrio. As of 31 December 2004, it had a population of 2,314 and an area of 6.2 square kilometres (2.4 sq mi).

Traona borders the following municipalities: Cercino , Civo , Cosio Valtellino , Mello, Morbegno , Novate Mezzola .