| Settlement Type: | City |
| Official Name: | Martínez |
| Pushpin Map: | Argentina Greater Buenos Aires |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Greater Buenos Aires |
| Pushpin Mapsize: | 240 |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Buenos Aires |
| Subdivision Type2: | Partido |
| Subdivision Name2: | San Isidro |
| Established Date: | November 18m, 1981 |
| Leader Title: | Mayor |
| Leader Name: | Ramón Lanús |
| Population Total: | 65,859 |
| Coordinates: | -34.4833°N -88°W |
| Elevation M: | 18 |
| Population Demonym: | Martinense |
| Postal Code Type: | CPA Base |
| Postal Code: | B 1640 |
| Area Code: | +54 11 |
Martínez is a city in San Isidro Partido, Buenos Aires Province. It is part of Greater Buenos Aires, and effectively a suburb of Buenos Aires. It is served by a commuter train service, the Tren de la Costa tourist railway line, and many buses.
Some areas of Martínez, especially near Avenida del Libertador, are relatively affluent. That area is considered rather safe. Unicenter is a major shopping centre. Some of the better-known cafés are Café Victoria and Café Martinez. A favoured street for shopping is Calle Alvear.
A UBA (Buenos Aires University) building is located in Martínez.
The Martinez local government has a recycling program.
Martínez is distinct from Villa Martínez de Hoz and Coronel Martínez de Hoz.
UN/LOCODE is ARMAR.
Some of the schools located in Martínez are Colegio Naciones Unidas, Colegio Santa Teresa del Niño Jesús, and Polivalente de Arte de San Isidro.
The area once had a German school, Nordschule of the Nordschule und Goetheschule.[1]