San Luis is a district of the Lima Province in Peru.

Officially established as a district on May 30, 1968, by President Fernando Belaúnde.

The current mayor (alcalde) of San Luis is David Rojas Maza.

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.