Lauenburg () is a city in Schleswig-Holstein, Germany
It may also refer to:
Lauenburg (district), district in Schleswig-Holstein Saxe-Lauenburg, former principality in the Holy Roman Empire and later Germany Naturpark Lauenburgische Seen, nature park in Lauenburg District Burg Lauenburg, a castle in the eastern Harz Mountains Lauenburg in Pommern, the German name of Lębork, Pomeranian Voivodeship, Poland Landkreis Lauenburg in Pommern, former Prussian administrative unit , a German weather ship whose capture by the Allies in World War II provided information about the Enigma code