Surname Баранаускас (Баранаускас 
, Baranauskas 
) , in the entire world, is quite a rare cognomen. The family name Баранаускас is characteristic of Northern Europe, particularly Lithuania, where it is quite a common surname, Latvia, where it is quite a rare surname, and Ireland, where it is a rare surname. In absolute terms, it is the most numerous in Lithuania, the United States, and Brazil.
| VARIANT | COUNTRY |
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| Баранаускас | Ukraine, Kazakhstan, Lithuania, Belarus, Russia |
| Baranauskas | Lithuania, Brazil, United States, United Kingdom, Latvia |
Baranovskii, Baranovskyi, Baranowska, Baranowski, Baranowskij, Baranowsky, Baranowskyj, Барановский, Барановський, and Бараноўскі
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баранаускас антанас Lithuanian poet, bishop and mathematician (1835-1902), LT (b. 1835) |
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| болесловас антанович баранаускас Soviet politician, LT (b. 1902) |
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| баранаускас, стасис-витаутас адамович Lithuanian footballer, LT (b. 1962) |
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