| Official Name: | Buenos Aires, Trujillo |
| Pushpin Map: | Peru |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | La Libertad Region |
| Subdivision Type2: | Province |
| Subdivision Name2: | Trujillo |
| Subdivision Type3: | District |
| Subdivision Name3: | Victor Larco |
| Leader Title: | Mayor |
| Leader Name: | César Augusto Juárez Castillo |
| Established Title3: | Incorporated (city) |
| Population As Of: | 2005 |
| Population Urban: | 20000 (estimated) |
| Timezone: | PET |
| Utc Offset: | -5 |
| Coordinates: | -8.1443°N -79.0553°W |
| Elevation M: | 3 |
Buenos Aires is a coastal town and resort located in Víctor Larco Herrera district, in Trujillo, Peru. This locality is subdivided into three zones: Buenos Aires South, extending to the border with the Moche district, Buenos Aires Central limiting with Vista Alegre by east and the sector called Buenos Aires North extending up to the limit with Huanchaco. In the north side of this town is located the headquarters of the Municipality of Victor Larco Herrera district.
Located in the southwest of Trujillo city was formed as a resort since the late nineteenth century. Appreciated for its scenery and cool weather and mild, was named Buenos Aires by Don Víctor Larco Herrera, illustrious benefactor of the district which now bears his name, who in 1915 established the railroad (and later a double track) between Trujillo and the resort of Buenos Aires, providing transport for people who lived there.