Yelizaveta Palmenbach (1761–1832) was an Imperial Russian pedagogue, the principal of the Smolny Institute in Saint Petersburg from 1797 to 1802, and a lady-in-waiting.
Yeliaveta was born in 1761 to Alexander Ivanovich Cherkasov and Hedvig Elizabeth von Biron, known as Ekaterina Ivanovna.
She married Colonel Evstafy (Gustav) Ivanovich Palmenbach on 16 August 1780 in Saint Isaac's Cathedral.
De Lafon died in August 1797, after which Ekaterina became head of the institution, and attained the title of Excellency.
The following inscription is written on her monument:"Here lies the body of the cavalry lady Elizaveta Alexandrovna Palmenbach, born Baroness Cherkasova, who died on June 23 1832, at the age of 71.