Björnstjerna is a surname. Notable people with the surname include:
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Carl Björnstjerna (1886–1982), Swedish horse rider
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Magnus Björnstjerna (1779–1847), Swedish general
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Oscar Björnstjerna (1819–1905), Swedish diplomat and politician
See also
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Wallenberg family
The Wallenberg family is a prominent Swedish family, Europe's most powerful business dynasty. Wallenbergs are noted as bankers, industrialists, politicians, bureaucrats, diplomats and military. The Wallenberg sphere's holdings employ about 60 ...
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Swedish-language surnames