Lensahn
Amt
Coat of arms
Map of Ostholstein highlighting Lensahn
Country	Germany
State	Schleswig-Holstein
District	Ostholstein
Region seat	Lensahn
Government
• Amtsvorsteher	Klaus Winter
Area
• Total	10,453 km2 (4,036 sq mi)
Population  (2020-12-31)
• Total	8,469
Website	www.lensahn.de

Lensahn is an Amt ("collective municipality") in the district of Ostholstein, in Schleswig-Holstein, Germany. The seat of the Amt is in Lensahn.

The Amt Lensahn consists of the following municipalities:

1. Beschendorf
2. Damlos
3. Harmsdorf
4. Kabelhorst
5. Lensahn
6. Manhagen
7. Riepsdorf

54°13′59″N 10°52′59″E / 54.233°N 10.883°E / 54.233; 10.883