Last name Walczak (Walczak 
) , in all the world, is a common cognomen. The last name Walczak is habitual in Poland, where it is quite a common surname, Ireland, where it is quite a rare surname, and France. In absolute terms, the name is most common in Poland, the United States, and Germany. Likewise, Walczak is the forename as well as the last name.
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| Walczak | Brazil, Poland, France, United States, Germany |
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kazimierz walczak Colonel of the Polish Army (b. 1886) |
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stanisław walczak Polish politician, PL (b. 1913) |
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marian walczak PL (b. 1926) |
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| adam walczak MK (b. 1887) |
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| henryk walczak (b. 1900) |
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witold walczak American lawyer, US (b. 1961) |
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| ed walczak American baseball player (1915-1998), US (b. 1915) |
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| wojciech walczak Polish geographer, PL (b. 1916) |
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| tadeusz walczak UA (b. 1906) |
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| marian walczak Polish politician and professor, PL (b. 1923) |
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| stanislaw walczak PL (b. 1913) |
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| adam walczak PL (b. 1915) |
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| mieczysław walczak Polish pediatrician, father of Mieczysław Edmund Walczak, PL (b. 1925) |
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| jadwiga walczak Polish chemist (1927-1997), PL (b. 1927) |
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| jerzy walczak Polish actor (1929–1968), PL (b. 1929) |
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