| San Lorenzo in Campo | |
| Official Name: | Comune di San Lorenzo in Campo |
| Coordinates: | 43.6°N 69°W |
| Region: | Marche |
| Province: | Pesaro e Urbino (PU) |
| Frazioni: | Montalfoglio, San Vito sul Cesano |
| Mayor: | Davide Dellonti |
| Area Total Km2: | 28.8 |
| Population Total: | 3214 |
| Population As Of: | 31 October 2020[1] |
| Population Demonym: | Laurentini |
| Elevation M: | 209 |
| Saint: | St. Lawrence |
| Day: | 10 August |
| Postal Code: | 61047 |
| Area Code: | 0721 |
San Lorenzo in Campo is a comune (municipality) in the Province of Pesaro e Urbino in the Italian region Marche, located about 45km (28miles) west of Ancona and about 35km (22miles) south of Pesaro.
The main attraction is the Gothic church of San Lorenzo, once part of a Benedictine abbey.