Ziano Piacentino is a comune, or municipality, located in the Province of Piacenza within the Italian region of Emilia-Romagna. It is situated approximately 160 kilometres (99 mi) northwest of Bologna and about 25 kilometres (16 mi) west of the city of Piacenza.
The municipality shares borders with several neighboring areas, including Alta Val Tidone, Borgonovo Val Tidone, Castel San Giovanni, Rovescala, and Santa Maria della Versa.