Castel San Pietro (disambiguation)
# Castel San Pietro (disambiguation)

Castel San Pietro is a municipality in the canton of Ticino, Switzerland.

Castel San Pietro may also refer to:

* Castel San Pietro Terme, city and comune in the Metropolitan City of Bologna, Emilia-Romagna, Italy
* Castel San Pietro Romano, municipality in the Metropolitan City of Rome in the Italian region of Latium, Italy
