| Official Name: | San Pedro de Lloc |
| Pushpin Map: | Peru |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | La Libertad |
| Subdivision Type2: | Province |
| Subdivision Name2: | Pacasmayo |
| Leader Title: | Mayor |
| Leader Name: | Victor Raúl Cruzado Rivera |
| Established Title3: | Incorporated (city) |
| Area Total Km2: | 698.42 |
| Population As Of: | 2017 |
| Population Total: | 17637 |
| Population Density Km2: | auto |
| Population Demonym: | Sanpedrino/a |
| Timezone: | PET |
| Utc Offset: | -5 |
| Coordinates: | -7.4167°N -109°W |
| Elevation M: | 43 |
| Website: | Official Website |
San Pedro de Lloc is a town in the La Libertad Region of northern Peru. It is the capital of the coastal Pacasmayo Province. It is located about 99 km north of the city of Trujillo.
San Pedro de Lloc is also known to be the last place of residence of the Italian-born scientist Antonio Raimondi. His home is located within a block of the main plaza and is open to the public as a museum.
In the pre-Columbian period, the territory of the city belonged to the territory of the great Chimú culture. During the colony it belonged to the village of Saña, in the republican era it belonged to the province of Lambayeque until March 22, 1839, for economic reasons (collection of contributions) Agustín Gamarra formed the province of Chiclayo in which was included the district of San Pedro de Lloc, being its capital, the city of Chiclayo.