| Poggio Casalino | |
| Settlement Type: | Curazia |
| Pushpin Map: | San Marino |
| Pushpin Map Caption: | Location within San Marino |
| Subdivision Type: | Country |
| Subdivision Name: |  San Marino |
| Subdivision Type1: | Castello |
| Subdivision Name1: | Chiesanuova |
| Population Density Km2: | auto |
| Coordinates: | 43.9211°N 12.4107°W |
| Elevation M: | 340 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 47894 |
| Area Code: | +378 (0549) |
| Population Demonym: | casalinesi |
Poggio Casalino is a of San Marino, in the of Chiesanuova.[1] [2]
The village is situated in the western border of its municipality, close to the borders with Italy and the municipality of San Leo. It lies on a road that links the city of San Marino with the rural area of San Leo and some of its civil parishes.