Count Magnus Fredrik Ferdinand Björnstjerna was a Swedish count and military general, son of the envoy to Sachsen Magnus Olof Björnstjerna and his wife, countess Vilhelmina von Hagen. He was the grandson of archbishop Magnus Beronius.
- Occupation
- politician, diplomat, military personnel, envoy extraordinary and minister plenipotentiary
- Position held
- ambassador, regiment commander, Lord of the Realm, member of the Riksdag of the Estates
- Citizenship
- Sweden
- Born
- October 10, 1779
- Died