Karolinenkoog
| Karolinenkoog   | |
|---|---|
| Coordinates: 54°16′N 8°58′E / 54.267°N 8.967°E | |
| Country | Germany | 
| State | Schleswig-Holstein | 
| District | Dithmarschen | 
| Municipal assoc. | KLG Eider | 
| Government | |
| • Mayor | Rainer Schmidt-Wiborg | 
| Area | |
|  • Total | 17.55 km2 (6.78 sq mi) | 
| Elevation | 0 m (0 ft) | 
| Population  (2023-12-31) | |
|  • Total | 142 | 
| • Density | 8.1/km2 (21/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 25774 | 
| Dialling codes | 04882 | 
| Vehicle registration | HEI | 
| Website | www.amt-eider.de | 
Karolinenkoog is a municipality in the district of Dithmarschen, in Schleswig-Holstein, Germany.
In 1800 the municipality was named after the polder (German: Koog), which was named in honour of Princess Caroline of Denmark.