Hermann Karl von Keyserling

Hermann Karl von Keyserling
Portrait by Michael Christoph Hagelgans
Born1695 (1695)
Blīdene manor, Duchy of Courland and Semigallia
Died30 September 1764(1764-09-30) (aged 68–69)
Warsaw, Polish–Lithuanian Commonwealth
FatherOtto Ernst von Keyserling
MotherAnna Sibilla von Manteuffel-Szoege

Count Hermann Karl von Keyserling (Russian: Герман Карл фон Кейзерлинг, romanizedGerman Karl fon Keyzerling; 1697 – 30 September 1764) was a Russian diplomat from the Keyserlingk family of Baltic German nobility based in the Duchy of Courland and Semigallia.