San Luis is a district of the Lima Province in Peru. It is part of city of Lima. Officially established as a district on May 30, 1968, the current mayor (alcalde) of San Luis is Fernando Javier Durand Mejía. The district's postal code is 30.
The district has a total land area of 3.49 km². Its administrative center is located 175 meters above sea level.
According to the 2005 census by the INEI, the district has 46,258 inhabitants, a population density of 13,254.4 persons/km² and 11,901 households.
Coordinates: 12°04′32″S 76°59′46″W / 12.07556°S 76.99611°W