Altenberge
| Altenberge  | |
|---|---|
| Market square in Altenberge | |
| Location of Altenberge  within Steinfurt   district | |
| Coordinates: 52°02′45″N 7°27′55″E / 52.04583°N 7.46528°E | |
| Country | Germany | 
| State | North Rhine-Westphalia | 
| Admin. region | Münster | 
| District | Steinfurt | 
| Government | |
| • Mayor (2020–25) | Karl Reinke (Greens) | 
| Area | |
|  • Total | 62.96 km2 (24.31 sq mi) | 
| Elevation | 79 m (259 ft) | 
| Population  (2023-12-31) | |
|  • Total | 10,295 | 
| • Density | 160/km2 (420/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 48341 | 
| Dialling codes | 02505 | 
| Vehicle registration | ST, BF, TE | 
| Website | www.altenberge.de | 
Altenberge (Westphalian: Ollenbiärg) is a municipality in the district of Steinfurt, in North Rhine-Westphalia, Germany. It is situated approximately 15 km south-east of Steinfurt and 15 km north-west of Münster.