Family name Kostrzewa (Kostrzewa 
) , in the world, is quite a common cognomen. The cognomen Kostrzewa is habitual in Poland, where it is quite a common surname, Germany, where it is quite a rare surname, and Ireland, where it is a rare surname. Not in comparison with a country's population, it is commonest in Poland, Germany, and the United States. Likewise, Kostrzewa is the forename as well as the last name.
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| Kostrzewa | United Kingdom, United States, Germany, Poland, France |
| tomasz kostrzewa Polish Righteous Among the Nations, PL (b. 1893) |
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wacław kostrzewa Polish poet (b. 1951) |
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| katarzyna kostrzewa Polish Righteous Among the Nations, PL (b. 1905) |
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wojciech kostrzewa Polish manager and entrepreneur, PL (b. 1960) |
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jacek kostrzewa PL (b. 1962) |
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yga kostrzewa Polish activist LGBT movement, PL (b. 1973) |
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| dorothy kostrzewa First Chinese Canadian woman elected to public office in Canada (1928-2013), CA (b. 1928) |
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| zdzisław kostrzewa Polish architect, PL (b. 1930) |
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| jan kostrzewa Polish Righteous Among the Nations, PL (b. 1931) |
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| wiesława kostrzewa Polish Righteous Among the Nations, PL (b. 1933) |
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| stanisław kostrzewa Polish engineer (b. 1937) |
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damian kostrzewa Polish association football player and handball player, PL (b. 1988) |
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| henryk kostrzewa PL (b. 1928) |
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| zbigniew kostrzewa PL (b. 1934) |
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| mieczysław kostrzewa PL (b. 1936) |
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