Cognomen Ćwik (Ćwik 
) , throughout the world, is quite a rare family name. The cognomen Ćwik is habitual in Poland, where it is quite a rare surname, Croatia, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ćwik | United Kingdom, Poland, United States, Croatia, Germany |
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tadeusz ćwik PL (b. 1899) |
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| władysław ćwik (b. 1880) |
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| paweł ćwik PL (b. 1901) |
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piotr ćwik Polish politician, PL (b. 1968) |
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| leszek ćwik Polish canoeist, PL (b. 1931) |
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| władysław ćwik PL (b. 1929) |
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| zenon ćwik PL (b. 1936) |
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| agnieszka ćwik Polish actress, PL (b. 1969) |
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| zofia ćwik Polish Righteous Among the Nations, PL |
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| michał ćwik researcher (ORCID 0000-0002-3720-7748) |
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| agnieszka ćwik researcher ORCID: 0000-0002-8779-3175, PL |
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| michał ćwik researcher (ORCID 0000-0003-0598-1699) |
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| filip ćwik PL (b. 1973) |
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| sara ćwik PL |
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| natalia ćwik PL |
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Aga, Denis, Dawid, Jacek, Jarek, Jakub, Julia, Tomek, Edyta, Filip, Iwona, Marcin, Maciej, Maciek, Monika, Sylwia, Szymon, Alicja, Adrian, Bartek, Bogdan, Kamila, Rafał, Piotr, Paweł, Paula, Jan, Ela, Ewa, Ola, Anna, Ania, Arek, Asia, Kuba, Emil, Kacper, Inga, Marta, Marek, Magda, Aneta, Artur, Agata, Beata, Karol, Kamil, Kasia, Maria, and Konrad