Family name Byern (Byern 
) , around the world, is a very rare cognomen. The cognomen Byern is habitual in Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| karl wilhelm von byern (1737-1800), DE (b. 1737) |
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| anna von byern (b. 1821) |
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| rudolf byern German politician and officer (1844-1913), DE (b. 1844) |
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| heinz alfred von byern (b. 1885) |
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| janek von byern researcher ORCID ID = 0000-0001-7243-0438 |
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| victoria von byern |
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| klara byern |
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