| Official Name: | Bucharest, Sector 4 |
| Native Name: | Sector 4, București |
| Mapsize: | 200px |
| Subdivision Type: | Country |
| Subdivision Name: | Romania |
| Subdivision Type1: | County |
| Subdivision Name1: | Municipality of Bucharest |
| Leader Title: | Mayor |
| Leader Name: | Daniel Băluță |
| Leader Party: | PSD |
| Leader Title1: | Deputy-mayor |
| Leader Name1: | Dan Bogdan Delegeanu (PSD) |
| Established Title: | Administrative Reform |
| Area Total Km2: | 34 |
| Population As Of: | December 1, 2021 |
| Settlement Type: | Sector |
| Population Total: | 262,780 |
| Population Density Km2: | 7728.8 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 44.4215°N 26.0894°W |
| Elevation M: | 60 - 90 |
| Elevation Ft: | 197 - 295 |
| Postal Code Type: | Postal Code |
| Postal Code: | 04xxxx |
| Area Code: | +40 x1 |
| Blank Name: | Car Plates |
| Blank Info: | B |
Sector 4 (ro|Sectorul 4) is an administrative unit of Bucharest.
Romavia had its head office in Sector 4.[1]
Carol Park, Tineretului Park, and the Văcărești Nature Park are all located in Sector 4 of Bucharest.
Daniel Băluță from the Social Democratic Party (PSD) is the current mayor, having been elected to the position in 2016 and re-elected in 2020. The Local Council of Sector 4 has 27 seats, with the following party composition (as of 2020):
| Party | Seats | Current Council | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Social Democratic Party (PSD) | 11 | |||||||||||||
| Save Romania Union (USR) | 9 | |||||||||||||
| National Liberal Party (PNL) | 5 | |||||||||||||
| People's Movement Party (PMP) | 2 | |||||||||||||