Calendasco (Piacentino: Calindasch) is a comune (municipality) in the Province of Piacenza in the Italian region Emilia-Romagna, located about 150 kilometres (93 mi) northwest of Bologna and about 9 kilometres (6 mi) northwest of Piacenza.

Calendasco was founded along the Via Emilia; entering the town over the bridge over the Trebbia River is a plaque commemorating the Battle of Trebbia (213 BC) where the army of Hannibal defeated the Romans.