Quern
| Quern   | |
|---|---|
| Location of Quern | |
| Coordinates: 54°45′N 9°43′E / 54.750°N 9.717°E | |
| Country | Germany | 
| State | Schleswig-Holstein | 
| District | Schleswig-Flensburg | 
| Municipality | Steinbergkirche | 
| Area | |
|  • Total | 22.74 km2 (8.78 sq mi) | 
| Elevation | 24 m (79 ft) | 
| Population  (2013) | |
|  • Total | 1,289 | 
| • Density | 57/km2 (150/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 24972 | 
| Dialling codes | 04632 | 
| Vehicle registration | SL | 
Quern (Danish: Kværn) is a former municipality in the district of Schleswig-Flensburg, in Schleswig-Holstein, Germany. Since 1 March 2013, it has been part of the municipality of Steinbergkirche.