Cognomen Hjern (Hjern 
) , worldwide, is a rare surname. The surname Hjern is characteristic of Northern Europe, particularly Sweden, where it is a rare surname, and Denmark, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Hjern | Denmark, Sweden |
| per hjern Swedish actor, SE (b. 1899) |
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| kjell hjern Swedish writer, SE (b. 1916) |
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| bengt hjern (b. 1918) |
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| fredrik hjern researcher |
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| sofia hjern Swedish association football player, SE |
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| anders hjern researcher, SE |
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| viktoria hjern SE |
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