Carlsburg

Carlsburg might refer to:

• Carlsburg, Schlei, a settlement at the Schlei river, Germany, at the site of ancient Gereby
• Carlsburg, Weser, a former Swedish settlement at the Weser river, Germany, at the site of current Bremerhaven

See also

• Carlsberg (disambiguation)
• Carlsborg, Washington
• Karlsborg
• Karlsburg (disambiguation)