Soncino () is a comune (municipality) in the Province of Cremona in the Italian region Lombardy, located about east of Milan and about northwest of Cremona.
Soncino borders the following municipalities: Casaletto di Sopra, Cumignano sul Naviglio, Fontanella, Genivolta, Orzinuovi, Roccafranca, Ticengo, Torre Pallavicina, and Villachiara. It is located on the banks of the river Oglio.
It is one of I Borghi più belli d'Italia ("The most beautiful villages of Italy"). Soncino received the honorary title of city with a presidential decree on November 18, 2004.
Every two years Soncino plays host to the two Soncino Biennale art exposition displaying get work of artists from around the globe. The exhibition's most frequently held in the city's historic center including at such locations as Soncino's Castle and the Palazzo Stampa di Soncino.