Last name Duszak (Duszak 
) , all around the world, is a rare surname. The last name Duszak is characteristic of Poland, where it is quite a rare surname, the United States, where it is a very rare surname, and New Zealand. In absolute terms, the name is most common in Poland, the United States, and Germany. More frequently, Duszak is the forename as well as the last name.
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| Duszak | United Kingdom, Poland, France, Germany, United States |
| franciszek duszak (b. 1883) |
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kamil duszak Polish ice hockey player, PL (b. 1985) |
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| stanisław duszak Polish journalist, PL (b. 1943) |
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| anna duszak Polish linguist, PL (b. 1950) |
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| richard duszak researcher |
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| jadwiga duszak Polish actress |
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| joseph duszak American ice hockey player, US (b. 1997) |
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