Cercino () is a (municipality) in the Province of Sondrio in the Italian region of Lombardy, located about northeast of Milan and about west of Sondrio. As of 30 November 2014, it had a population of 786 and an area of .
Cercino borders the following municipalities: Cino, Cosio Valtellino, Mantello, Novate Mezzola, Traona.