Last name Pietruszka (Pietruszka 
) , across the world, is quite a rare cognomen. The last name Pietruszka is habitual in Poland, where it is quite a rare surname, Uruguay, and Ireland, where it is a rare surname. Not in comparison with a country's population, the name is most common in Poland, the United States, and Germany. More frequently, Pietruszka is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Pietruszka | France, United States, United Kingdom, Germany, Poland |
| józef pietruszka PL (b. 1833) |
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| symcha pietruszka born 1893; died 1950, PL (b. 1893) |
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frédéric pietruszka French fencer, FR (b. 1954) |
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| helena pietruszka Polish Righteous Among the Nations, PL (b. 1906) |
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| stefan pietruszka PL (b. 1898) |
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| czesław pietruszka Polish Righteous Among the Nations, PL (b. 1928) |
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| adam pietruszka PL (b. 1938) |
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| jörg pietruszka researcher (b. 1965) |
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| barbara pietruszka researcher |
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| szymon pietruszka researcher |
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| patrycja pietruszka researcher |
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| rafal pietruszka researcher (ORCID 0000-0001-7834-5680) |
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| andrzej pietruszka Polish Righteous Among the Nations, PL |
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| mariusz pietruszka Polish physicist and biophysicist, PL |
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| przemysław pietruszka Polish association football player, PL (b. 1984) |
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