Gerhard Thielcke (February 14, 1931 Köthen, Germany – July 22, 2007 Radolfzell, Germany) was a German environmentalist, professor and co-founder of the Bund für Umwelt und Naturschutz Deutschland (BUND: League for the environment and nature conservation, Germany), an important German environmental organization.

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Thielcke died on July 22, 2007, in Radolfzell, Germany.

• Presseportal: Gerhard Thielcke Obituary (German)
• Gerhard Thielcke, RIP

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