Family name Koczwara (Koczwara 
) , all around the world, is quite a rare cognomen. The family name Koczwara is habitual in Poland, where it is quite a rare surname, Germany, where it is a rare surname, and Austria. Not in comparison with a country's population, it most frequently occurs in Poland, Germany, and the United States. Likewise, Koczwara is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Koczwara | Germany, Australia, United States, Poland, France |
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franz koczwara Czech composer and violist, CZ (b. 1740) |
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| józef koczwara Polish officer, PL (b. 1889) |
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| marian koczwara botanist (1893-1970), PL (b. 1893) |
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werner koczwara German cabaret artist, DE (b. 1957) |
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| tadeusz koczwara PL (b. 1918) |
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| lucyna koczwara Polish athletics competitor, PL (b. 1951) |
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| marek koczwara Polish politician and deputy, PL (b. 1953) |
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| adam koczwara (1957-2020), PL (b. 1957) |
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| stanisław koczwara Polish Catholic clergyman, PL (b. 1958) |
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| b koczwara researcher ORCID ID = 0000-0002-1201-1642 |
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| christian koczwara researcher ORCID ID = 0000-0002-8905-0586 |
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| justyna barbara koczwara researcher (ORCID 0000-0001-5168-0032) |
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