Ostfildern
| Ostfildern   | |
|---|---|
| Location of Ostfildern   within Esslingen   district | |
| Coordinates: 48°44′N 9°15′E / 48.733°N 9.250°E | |
| Country | Germany | 
| State | Baden-Württemberg | 
| Admin. region | Stuttgart | 
| District | Esslingen | 
| Subdivisions | 6 | 
| Government | |
| • Lord mayor (2021–29) | Christof Bolay (SPD) | 
| Area | |
|  • Total | 22.81 km2 (8.81 sq mi) | 
| Elevation | 348 m (1,142 ft) | 
| Population  (2023-12-31) | |
|  • Total | 39,612 | 
| • Density | 1,700/km2 (4,500/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 73744–73760 | 
| Dialling codes | 0711, 07158 | 
| Vehicle registration | ES | 
| Website | www.ostfildern.de | 
Ostfildern (German pronunciation: [ˈɔstˌfɪldɐn] ⓘ; Swabian: Oschtfilder) is a town in the district of Esslingen in Baden-Württemberg in southern Germany. It is located approximately 8 km southeast of Stuttgart. It was formed in 1975 out of a fusion of the previously separate boroughs of Nellingen (including Parksiedlung), Ruit, Kemnat and Scharnhausen and currently has approximately 37,000 inhabitants.