Heikendorf
Municipality
Monument to fallen U-boat sailors
Flag Coat of arms
Location of Heikendorf within Plön district
Location of Heikendorf
Heikendorf Show map of Germany Heikendorf Show map of Schleswig-Holstein
Coordinates: 54°22′20″N 10°12′29″E / 54.37222°N 10.20806°E / 54.37222; 10.20806
Country	Germany
State	Schleswig-Holstein
District	Plön
Municipal assoc.	Schrevenborn
Government
• Mayor	Tade Peetz (CDU)
Area
• Total	14.72 km2 (5.68 sq mi)
Elevation	19 m (62 ft)
Population  (2023-12-31)[1]
• Total	8,698
• Density	590.9/km2 (1,530/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
Postal codes	24226
Dialling codes	0431
Vehicle registration	PLÖ
Website	www.amt-schrevenborn.de

Heikendorf is a municipality in the district of Plön, in Schleswig-Holstein, Germany. It is a seaside resort off the Baltic Sea, located approximately 10 km from Kiel. The oldest part of the town is the Old Viking settlement in Möltenort.

• Adolf Dethmann (1896-1979) engineer and communist activist
• Robert Habeck (born 2 September 1969 in Lübeck) writer and politician of Alliance '90/The Greens
• Freya Hoffmeister (born 1964), business owner and athlete who holds several sea kayaking endurance records
• Klaus-Dieter Flick (born 1937 in Germany) lawyer and financial broker, known as convicted Nazi art and military equipment collector from Kitzeberg, a wealthy suburb of Heikendorf
• Fritz Lau (1872–1966), Low German playwright and author^[2]