Last name Kapustka (Kapustka 
) , all around the world, is a rare cognomen. The family name Kapustka is characteristic of Poland, where it is quite a rare surname, Czechia, where it is a rare surname, and the United States, where it is a very rare surname. Likewise, Kapustka is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kapustka | United Kingdom, Canada, Poland, United States, Czechia |
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józef kapustka Polish classical pianist, PL (b. 1969) |
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| janusz kapustka Polish speedway rider (1966-2002), PL (b. 1966) |
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| tom kapustka college basketball player (1970–1971) Portland |
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| grzegorz kapustka Polish mathematician, PL |
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| michał kapustka Polish mathematician, PL |
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| justyna kapustka Polish association football player, PL |
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| ryan kapustka college basketball player (2015–2015) Michigan |
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| mateusz kapustka (b. 1975) |
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| bartosz kapustka Polish association football player, PL (b. 1996) |
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