Cognomen Laszuk (Laszuk 
) , all around the world, is quite a rare family name. The cognomen Laszuk is habitual in Poland, where it is quite a rare surname, Argentina, where it is a rare surname, and Canada, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Poland, Argentina, and the United States. Likewise, Laszuk is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Laszuk | United States, Poland, Argentina, Canada, Brazil |
| adam laszuk PL (b. 1893) |
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anna laszuk Polish journalist, feminist and activist LGBT movement, PL (b. 1969) |
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| grzegorz laszuk Polish theatre director, graphic designer, musician, PL (b. 1967) |
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| grzegorz laszuk Polish musician, graphic designer, performer, theater director, PL |
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