| Official Name: | Jandira |
| Mapsize: | 250px |
| Pushpin Map: | Brazil |
| Coordinates: | -23.5278°N -46.9028°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | State |
| Subdivision Name: |  Brazil |
| Subdivision Name1: | Southeast |
| Leader Title: | Mayor |
| Leader Name: | Geraldo Teotonio da Silva (PV) |
| Area Total Km2: | 17.45 |
| Population As Of: | 2022[1] |
| Population Total: | 118,045 |
| Population Density Km2: | auto |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Elevation M: | 720 |
| Blank Name: | HDI (2000) |
| Blank Info: | 0,801 high |
| Website: | http://www.jandira.sp.gov.br |
Jandira is a municipality in the state of São Paulo in Brazil. It is part of the Metropolitan Region of São Paulo.[2] The population is 126,356 (2020 est.) in an area of 17.45 km2.[3] The suburban city is served by the ViaMobilidade with line 8.
In telecommunications, the city was served by Companhia Telefônica Brasileira until 1973, when it began to be served by Telecomunicações de São Paulo.[4] In July 1998, this company was acquired by Telefónica, which adopted the Vivo brand in 2012.
The company is currently an operator of cell phones, fixed lines, internet (fiber optics/4G) and television (satellite and cable).[5]