Family name Kozłowska (Kozlowska 
, Kozłowska ) , all around the world, is a common last name. The surname Kozłowska is characteristic of Poland, where it is quite a common surname, Ireland, where it is quite a rare surname, and Belgium, where it is a rare surname. Not in comparison with a country's population, it is commonest in Poland, the United Kingdom, and the United States. More frequently, Kozłowska is the forename as well as the last name.
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| Kozłowska, Kozlowska | Germany, France, Poland, United Kingdom, United States |
| katarzyna kozłowska (b. 1729) |
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feliksa kozłowska Polish nun, PL (b. 1862) |
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iza kozłowska-berson Polish actress, PL (b. 1884) |
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| marianna kozłowska Polish Righteous Among the Nations, PL (b. 1877) |
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barbara kozłowska Contemporary artist from Poland, PL (b. 1940) |
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| aniela kozłowska Polish botanist, PL (b. 1898) |
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| janina kozłowska-studnicka (b. 1890) |
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| anna kozłowska PL (b. 1896) |
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jolanta róża kozłowska Polish diplomat, PL (b. 1957) |
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| irena jadwiga kozłowska Polish writer (1912-1992), PL (b. 1912) |
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iwona kozłowska Polish politician and deputy, PL (b. 1963) |
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| helena kozłowska PL (b. 1906) |
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| maria feliksa kozłowska (b. 1906) |
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| jadwiga kozłowska Polish Righteous Among the Nations, PL (b. 1918) |
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agnieszka kozłowska-rajewicz Polish politician, PL (b. 1969) |
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Ala, Inga, Inka, Olga, Olka, Zuza, Maria, Marta, Magda, Majka, Mirka, Misia, Sonia, Alina, Anita, Aneta, Agata, Basia, Beata, Bogna, Burcu, Kasia, Nina, Nati, Jula, Jola, Ada, Aga, Ela, Ewa, Iga, Iza, Ola, Ula, Maja, Sara, Kinga, Anna, Anka, Asia, Kala, Kaya, Kaja, Pati, Pola, Dana, Lena, Lila, Ania, and Klara