Family name Semczuk (Semczuk 
) , all around the world, is a rare surname. The family name Semczuk is habitual in Poland, where it is a rare surname, Czechia, and Argentina. Not in comparison with a country's population, it is the most numerous in Poland, Brazil, and Argentina. Also, Semczuk is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Semczuk | Poland, Argentina, Brazil, United States, Czechia |
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antoni semczuk Polish historian, PL (b. 1930) |
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przemysław semczuk Polish journalist, PL (b. 1972) |
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| bolesław semczuk PL (b. 1928) |
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| małgorzata semczuk-jurska PL (b. 1958) |
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| mariusz semczuk researcher ORCID ID = 0000-0002-8182-2836 |
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| katarzyna semczuk Polish microbiologist and researcher, PL |
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| andrzej semczuk researcher (ORCID 0000-0001-9344-9437), PL |
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