| Castiglione dei Pepoli | |
| Official Name: | Comune di Castiglione dei Pepoli |
| Coordinates: | 44.15°N 20°W |
| Region: | Emilia-Romagna |
| Metropolitan City: | Bologna (BO) |
| Frazioni: | Baragazza, Ca' di Landino, Creda, Lagaro, Rasora, Roncobilaccio, San Giacomo, Sparvo, Spianamento, Monte Baducco, Valli |
| Mayor: | Maurizio Fabbri |
| Area Total Km2: | 65.76 |
| Population Footnotes: | [1] |
| Population Total: | 5505 |
| Population As Of: | 30 June 2017 |
| Elevation M: | 691 |
| Postal Code: | 40035 |
| Area Code: | 0534 |
Castiglione dei Pepoli (label=[[Bolognese dialect|High Mountain Bolognese]]|Castión) is a comune (municipality) in the Metropolitan City of Bologna, Emilia-Romagna, Italy, located about 40km (30miles) southwest of Bologna.
It takes its name from the Pepoli noble family of Bologna.
Asteroid 400193 Castión was named after the city by its dialectal name. The official was published by the Minor Planet Center on 25 September 2018 .
See also: List of twin towns and sister cities in Italy.
Castiglione dei Pepoli is twinned with:
Nogent-sur-Marne, France