Last name Kruczek (Kruczek 
, Кручок 
) , throughout the world, is quite a common surname. The surname Kruczek is habitual in Eastern Europe, particularly Poland, where it is quite a rare surname, Ukraine, and Belarus, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Poland, Ukraine, and the United States. Likewise, Kruczek is the forename as well as the last name.
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| Kruczek | Germany, France, Czechia, Poland, United States |
| Кручок | Kazakhstan, Russia, Ukraine, Belarus |
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władysław kruczek Polish politician, PL (b. 1910) |
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stanisław kruczek PL (b. 1924) |
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| jan kruczek PL (b. 1896) |
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łukasz kruczek Polish ski jumper, PL (b. 1975) |
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| marian kruczek painter (1927-1983), PL (b. 1927) |
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maciej kruczek Polish ice hockey player, PL (b. 1988) |
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| dietmar kruczek (b. 1940) |
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| mike kruczek American football player, US (b. 1953) |
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| jan kruczek (b. 1945) |
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| teresa kruczek music scholar and composer (born 1960), PL (b. 1960) |
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| jacek kruczek PL (b. 1960) |
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| bartłomiej kruczek canoeist, PL |
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| agnieszka kruczek researcher (ORCID 0000-0002-3500-3127) |
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| piotr kruczek Polish pediatrician and researcher, PL |
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| artur kruczek (b. 1973) |
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