Family name Sztwiertnia (Sztwiertnia 
) , worldwide, is a rare last name. The cognomen Sztwiertnia is characteristic of Czechia, where it is a rare surname, Poland, and Norway, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Poland, Czechia, and Germany. Likewise, Sztwiertnia is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Sztwiertnia | Germany, Norway, Czechia, Spain, Poland |
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jan sztwiertnia Polish composer (1911-1940), PL (b. 1911) |
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| józef sztwiertnia PL (b. 1883) |
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grzegorz sztwiertnia Polish painter, PL (b. 1968) |
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| jan sztwiertnia Polish politician and deputy, PL (b. 1942) |
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| jerzy sztwiertnia Polish film director, PL (b. 1946) |
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| pavel sztwiertnia CZ (b. 1949) |
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| paweł sztwiertnia (b. 1966) |
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| radomír sztwiertnia CZ (b. 1983) |
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