Cognomen Černeckis (Černeckis 
, Чернецкис 
) , in the world, is a very rare surname. The family name Černeckis is habitual in Lithuania, where it is a rare surname, Belarus, where it is a very rare surname, and Russia.
| valerijonas černeckis LT (b. 1957) |
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| antanas černeckis LT (b. 1959) |
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