| Saint Louis District | |
| Native Name: | Distrito de San Luis (Spanish) |
| Native Name Lang: | es |
| Settlement Type: | District |
| Mapsize: | frameless |
| Subdivision Type: | Country |
| Subdivision Name: |  Peru |
| Subdivision Type1: | Region |
| Subdivision Name1: | Lima |
| Subdivision Type2: | Province |
| Subdivision Name2: | Lima |
| Parts Type: | Subdivisions |
| Parts Style: | para |
| P1: | 1 populated center |
| Established Title: | Founded |
| Established Date: | May 30, 1968 |
| Seat Type: | Capital |
| Seat: | San Luis |
| Leader Title: | Mayor |
| Leader Name: | Ricardo Pérez (2023-2026) |
| Unit Pref: | Metric |
| Area Total Km2: | 3.49 |
| Elevation M: | 175 |
| Population Footnotes: | [1] |
| Population As Of: | 2023 |
| Population Density Km2: | auto |
| Timezone1: | PET |
| Utc Offset1: | -5 |
| Blank Name Sec1: | UBIGEO |
| Blank Info Sec1: | 150134 |
| Website: | munisanluis.gob.pe |
San Luis is a district of the Lima Province in Peru. In San Luis the National Sports Village is located in charge of the Peruvian Sports Institute, which has facilities for the practice of various sports (athletics, cycling, volleyball, swimming, softball and baseball). In addition, within its facilities is the headquarters of the Peruvian Olympic Committee and the Peruvian Football Federation (training place of the Peruvian Football Team, both senior and junior categories.
It is part of city of Lima. Officially established as a district on May 30, 1968, by President Fernando Belaúnde.
The current mayor (alcalde) of San Luis is David Rojas Maza. 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.