| Arapeí | |
| Settlement Type: | Municipality |
| Pushpin Map: | Brazil |
| Pushpin Map Caption: | Location in Brazil |
| Coordinates: | -22.6744°N -44.4486°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southeast Brazil |
| Subdivision Type2: | State |
| Subdivision Name2: | São Paulo |
| Subdivision Type3: | Metropolitan Region |
| Subdivision Name3: | Vale do Paraíba e Litoral Norte |
| Leader Title: | Prefect |
| Area Total Km2: | 156.90 |
| Elevation M: | 510 |
| Population Total: | 2,460 |
| Population As Of: | 2020 [1] |
| Population Density Km2: | auto |
| Timezone1: | BRT |
| Utc Offset1: | -3 |
| Postal Code Type: | Postal code |
| Area Code Type: | Phone code |
Arapeí is a Brazilian municipality of the eastern part of the state of São Paulo. It is part of the Metropolitan Region of Vale do Paraíba e Litoral Norte.[2] The population is 2,460 (2020 est.) in an area of 156.90 km².[3] Its bordering cities are Resende and Barra Mansa (both in the state of Rio de Janeiro) in the north, Bananal in the southeast and São José do Barreiro in the west.
In telecommunications, the city was 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]