Rietberg
| Rietberg   | |
|---|---|
| Rietberg town centre, 2005 | |
| Location of Rietberg   within Gütersloh   district | |
| Coordinates: 51°48′N 8°26′E / 51.800°N 8.433°E | |
| Country | Germany | 
| State | North Rhine-Westphalia | 
| Admin. region | Detmold | 
| District | Gütersloh | 
| Subdivisions | 7 | 
| Government | |
| • Mayor (2018–23) | Andreas Sunder (FW) | 
| Area | |
|  • Total | 110.31 km2 (42.59 sq mi) | 
| Highest elevation | 93 m (305 ft) | 
| Lowest elevation | 74 m (243 ft) | 
| Population  (2023-12-31) | |
|  • Total | 29,997 | 
| • Density | 270/km2 (700/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 33397 | 
| Dialling codes | 05244 / 02944 / 05242 / 05248 | 
| Vehicle registration | GT | 
| Website | www.rietberg.de | 
Rietberg (German: [ˈʁiːtˌbɛʁk] ⓘ) is a town in the district of Gütersloh in the state of North Rhine-Westphalia, Germany. It is located approximately 10 km south of Gütersloh and 25 km north-west of Paderborn in the region Ostwestfalen-Lippe. The town is located at the river Ems. There are 28,878 people living in Rietberg.