Cognomen Borowiak (Borowiak 
) , in all the world, is quite a rare family name. The last name Borowiak is habitual in Poland, where it is quite a rare surname, France, where it is a rare surname, and Germany. Measured by absolute frequency, it is the most numerous in Poland, the United States, and Germany. Also, Borowiak is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Borowiak | United Kingdom, Germany, Poland, United States, France |
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joanna borowiak Polish politician and deputy, PL (b. 1967) |
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łukasz borowiak Polish politician and deputy, PL (b. 1975) |
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| jeff borowiak American tennis player, US (b. 1949) |
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| wojciech borowiak (b. 1952) |
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| simon borowiak German writer, DE (b. 1964) |
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| krzysztof borowiak PL (b. 1959) |
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| mariusz borowiak PL (b. 1964) |
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| klaudia borowiak Polish researcher, PL (b. 1975) |
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| dariusz borowiak researcher |
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| malgorzata borowiak Polish molecular biologist and geneticist |
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| robert borowiak researcher |
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| arleta borowiak researcher |
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| kamila borowiak researcher |
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| craig thomas borowiak (b. 1971) |
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| patryk borowiak Polish linguist, slavist, PL (b. 1983) |
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