|Birth||19 July 1936, Tutow, Vorpommern-Greifswald District, Mecklenburg-Vorpommern, Germany|
|Death||14 December 2011, Müllheim, Breisgau-Hochschwarzwald, Freiburg Government Region, Baden-Württemberg (aged 75 years)|
Karl-Heinrich Erich Moritz von Groddeck (19 July 1936 – 14 December 2011) was a German rower who won three Olympic medals for the Unified Team of Germany: a silver in the coxed pairs in 1956 and a gold and a silver in the eights in 1960 and 1964, respectively. He also won one world and five European titles in these two rowing events between 1956 and 1964. In 1964 he retired from competitions.
Back in 1958, von Groddeck moved from Wiesbaden to Hamburg to work for Axel Springer AG as a journalist in the sports section of a newspaper. For many years he was reporting the history of German rowing. Later he worked as a freelance journalist.