Cognomen Bjørnkjær (Bjørnkjær 
) , all over the world, is a very rare last name. The family name Bjørnkjær is characteristic of Northern Europe, particularly Denmark, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bjørnkjær | Denmark |
| ejvin bjørnkjær Danish journalist (b. 1940) |
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| kristen bjørnkjær Danish poet, DK (b. 1943) |
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| jens bjørnkjær Danish musician |
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