Last name Dworzak (Dworzak 
, Дворжак 
) , throughout the world, is quite a rare cognomen. The family name Dworzak is habitual in Liechtenstein, where it is quite a common surname, Austria, where it is quite a rare surname, and Ukraine, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Germany, Ukraine, and Austria. Much less frequently, Dworzak is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Dworzak | Poland, France, Austria, United States, Germany |
| Дворжак | Belarus, Kazakhstan, Russia, Ukraine |
| franz joseph dworzak (1822-1866), AT (b. 1822) |
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| zygmunt dworzak PL (b. 1867) |
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| ludwik dworzak UA (b. 1900) |
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| hugo dworzak Austrian architect, AT (b. 1957) |
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| sonja dworzak AT (b. 1958) |
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| thomas dworzak German photographer, DE (b. 1972) |
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| michael dworzak researcher |
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| łukasz dworzak researcher |
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| alexandra dworzak researcher |
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| agata dworzak Polish art historian, PL (b. 1988) |
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| karl dworzak |
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| stefanie dworzak |
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| adolf dworzak AT |
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| anton dworzak English association football player |
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