Family name Aleknavičius (Aleknavičius 
) , in all the world, is a very rare last name. The cognomen Aleknavičius is characteristic of Northern Europe, particularly Lithuania, where it is quite a rare surname.
| kajetonas aleknavičius Lithuanian writer, LT (b. 1804) |
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| juozas aleknavičius Lithuanian painter, LT (b. 1906) |
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| bernardas aleknavičius Lithuanian journalist, LT (b. 1930) |
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| pranas aleknavičius LT (b. 1941) |
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| pranciškus aleknavičius LT (b. 1946) |
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| valdas aleknavičius LT (b. 1968) |
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| giedrius aleknavičius |
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