Family name Duszczak (Duszczak 
) , in the entire world, is a rare surname. The family name Duszczak is habitual in Poland, where it is a rare surname, the United Kingdom, where it is a very rare surname, and Argentina. Not in comparison with a country's population, it most frequently occurs in Poland, Brazil, and the United Kingdom. Also, Duszczak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Duszczak | United Kingdom, United States, Poland, Germany, Brazil |
| dymitr duszczak Polish Righteous Among the Nations, PL (b. 1915) |
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| maria duszczak PL (b. 1913) |
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| julia duszczak researcher |
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