| Gualdicciolo | |
| 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: | Acquaviva |
| Population Density Km2: | auto |
| Coordinates: | 43.9508°N 12.4066°W |
| Elevation M: | 450 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 47892 |
| Area Code: | +378 (0549) |
| Blank Name: | Climate |
| Blank Info: | Cfa |
| Population Demonym: | gualdicciolesi |
Gualdicciolo is a of San Marino, in the of Acquaviva.[1] [2] It is Acquaviva's most populated .
The village is situated in the western corner of San Marino, close to the borders with Italy and the municipalities of San Leo[3] and Verucchio, in Emilia-Romagna. The nearest Italian village to Gualdicciolo is Torello, part of San Leo.
Due to its position in a flat valley, Gualdicciolo has one of the most developed industrial areas of the state, with many manufacturing factories.