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.

Notable people linked with Heikendorf 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 authorEhrenbürger. In: glueckstadt.de. Retrieved 15 December 2020.

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