Cognomen Kołodziejczyk (Kołodziejczyk 
) , throughout the world, is quite a common family name. The last name Kołodziejczyk is characteristic of Poland, where it is quite a common surname, Ireland, where it is a rare surname, and Sweden. Measured by absolute frequency, it is commonest in Poland, Sweden, and Germany.
| VARIANT | COUNTRY |
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| Kołodziejczyk | Sweden, United Kingdom, Germany, Poland, Ireland |
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edmund kołodziejczyk PL (b. 1888) |
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marian kołodziejczyk Polish printmaker, PL (b. 1926) |
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krystyna kołodziejczyk Polish actress, PL (b. 1939) |
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| january kołodziejczyk Polish botanist (1889-1949), PL (b. 1889) |
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| józef kołodziejczyk PL (b. 1892) |
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| stanisław marian kołodziejczyk Polish mathematician, PL (b. 1907) |
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| stefan kołodziejczyk PL (b. 1900) |
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| henryk kołodziejczyk PL (b. 1901) |
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| ryszard kołodziejczyk Polish historian, PL (b. 1923) |
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| walenty kołodziejczyk PL (b. 1918) |
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| miłosław jan kołodziejczyk PL (b. 1928) |
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| adam kołodziejczyk Polish sportsperson and athletics competitor, PL (b. 1939) |
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| piotr franciszek kołodziejczyk Polish officer (1939-2019), PL (b. 1939) |
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| aleksander kołodziejczyk Polish chemist, PL (b. 1942) |
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| katarzyna kołodziejczyk Polish polital scientist, PL (b. 1950) |
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Ala, Marta, Marek, Manon, Magda, Mirka, Alina, Antek, Anita, Aneta, Artur, Agata, Aisza, Basia, Beata, Karol, Kamil, Kasia, Kinga, Paula, Pawel, Paweł, Maria, Zuza, Wiki, Olka, Ada, Jan, Ela, Ewa, Iga, Iza, Ola, Ula, Maja, Sara, Piotr, Anna, Arek, Adam, Asia, Kuba, Jola, Eryk, Emil, Igor, Olaf, Olga, Ania, and Radek