In the world, Arūnas (Arūnas 
, Арунас 
) is a rare male first name. The forename Arūnas is habitual in Lithuania, where it is quite a common male name, Russia, where it is a very rare male name, and Ukraine. Very seldom, Arūnas is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Arūnas | United Kingdom, Norway, Netherlands, United States, Lithuania |
| Арунас | Kyrgyzstan, Russia, Kazakhstan, Ukraine, Belarus |
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arūnas vasiliauskas Lithuanian painter, LT (b. 1942) |
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arūnas grumadas Lithuanian politician, LT (b. 1951) |
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arūnas baltėnas Lithuanian photographer, LT (b. 1956) |
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arūnas gumuliauskas Lithuanian basketball player (1958-), LT (b. 1958) |
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arūnas degutis Lithuanian politician, LT (b. 1958) |
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arūnas sverdiolas LT (b. 1949) |
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arūnas gelūnas Lithuanian politician and diplomat, LT (b. 1968) |
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arūnas rutkus LT (b. 1961) |
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arūnas spraunius LT (b. 1962) |
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arūnas aleinikovas Lithuanian ice hockey player (1978-), LT (b. 1978) |
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arūnas mockus LT (b. 1969) |
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arūnas streikus LT (b. 1973) |
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| arūnas leonardas liulevičius mathematician (b. 1934) |
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| arūnas domininkas grabažis Lithuanian boxer, LT (b. 1939) |
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| arūnas gineitis (b. 1939) |
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Dagys, Kareckas, Kubilius, Pocevičius, Jonaitis, Navickas, Kepežinskas, Jankauskas, Markevičius, Kazlauskas, Radzevičius, Jablonskis, Vaičiulis, Černiauskas, Sakalauskas, Kovalevskis, Krikštaponis, Pranevičius, Pranckevičius, Dambrauskas, Lukoševičius, Jurevičius, Beniušis, Stankevičius, Bagdonas, Malūkas, Lekys, Liola, Butkus, Bubnys, Bilius, Kuliūnas, Pocius, Rimkus, Dargis, Gečas, Šatas, Čekas, Bakonis, Blažys, Kašėta, Daugėla, Jonušas, Jokšas, Vaitkus, Verikas, Štalis, Stirneckas, and Marcinkevičius