 Armand Charles Emmanuel Guignard, comte de Saint-Priest

Armand Charles Emmanuel Guignard, comte de Saint-Priest (1782–1863) was a French aristocrat who was involved in both the politics of France and the Russian Empire during the First French Empire and the Bourbon Restoration.He was the second son of prominent French émigré diplomat François-Emmanuel Guignard, comte de Saint-Priest, one of King Louis XVI of France's last ministers.