Surname Baltrūnas (Baltrūnas 
, Балтрунас 
) , all around the world, is a rare family name. The last name Baltrūnas is characteristic of Lithuania, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Ukraine, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Lithuania, Russia, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Baltrūnas | Lithuania |
| Балтрунас | Kazakhstan, Russia, Ukraine, Kyrgyzstan |
| aleksas baltrūnas Lithuanian writer (1925-2001), LT (b. 1925) |
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| valentinas baltrūnas Lithuanian writer, LT (b. 1947) |
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kipras gabrielius baltrūnas LT (b. 1992) |
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| aleksandras baltrūnas (b. 1949) |
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| gintaras baltrūnas (b. 1957) |
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| žygimantas baltrūnas Lithuanian footballer, LT |
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