Cognomen Barwinski (Barwinski 
) , in the world, is a rare last name. The last name Barwinski is habitual in Poland, where it is a rare surname, Germany, and Norway. Measured by absolute frequency, it is commonest in Poland, Germany, and the United States. Also, Barwinski is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Barwinski | Germany, United Kingdom, United States, Poland, Brazil |
Barvinskyi, Barwiñski, Barwiński, Барвинский, and Барвінський
| otto barwinski German judge, DE (b. 1890) |
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| berthold barwinski German jurist, DE (b. 1903) |
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| dionizy barwinski chess player (b. 1940) |
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| marek barwinski researcher, PL (b. 1970) |
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