Cognomen Bortkiewicz (Bortkiewicz 
) , around the globe, is a rare family name. The cognomen Bortkiewicz is habitual in Poland, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Canada. In absolute terms, it is the most numerous in Poland, the United States, and Canada. Likewise, Bortkiewicz is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Bortkiewicz | United Kingdom, Poland, United States, Canada, Argentina |
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władysław bortkiewicz Russian economist and statistician, RU (b. 1868) |
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sergei bortkiewicz Russian Romantic composer and pianist, AT (b. 1877) |
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paweł bortkiewicz PL (b. 1958) |
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| jan bortkiewicz LT (b. 1945) |
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| alicja bortkiewicz researcher ORCID ID = 0000-0002-0042-4597, PL |
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| marcin bortkiewicz PL (b. 1976) |
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