Cognomen Czernecki (Czernecki 
) , all over the world, is quite a rare family name. The surname Czernecki is habitual in Poland, where it is quite a rare surname, Hungary, where it is a rare surname, and Argentina. Not in comparison with a country's population, this name is the most popular in Poland, the United States, and Germany. Also, Czernecki is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Czernecki | Germany, Hungary, France, Poland, United States |
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józef czernecki Polish teacher, UA (b. 1847) |
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wasyli czernecki PL (b. 1837) |
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wincenty czernecki Polish physician, UA (b. 1876) |
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jan czernecki PL (b. 1871) |
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roman czernecki educator from Poland, PL (b. 1904) |
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michał czernecki Polish actor, PL (b. 1978) |
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| andrzej czernecki Polish politician and deputy, PL (b. 1939) |
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| bernard czernecki PL (b. 1930) |
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| bartosz czernecki researcher ORCID ID = 0000-0001-6496-1386, PL |
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| tomasz czernecki researcher, ORCID id # 0000-0002-3277-2326 |
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| robert czernecki researcher, PL |
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