Jacob Johann Graf von Sievers was a Russian statesman of Baltic German origin. He was from the Sievers family, originating in Livonia. From 1764 to 1781, he served as the governor of Novgorod.
- Occupation
- diplomat, politician, military personnel, major general
- Position held
- ambassador of the Russian Empire
- Citizenship
- Russian Empire
- Born
- August 19, 1731
- Died
- July 23, 1808