Cognomen Kwasny (Kwasny 
) , around the globe, is quite a rare surname. The surname Kwasny is characteristic of Poland, where it is quite a rare surname, Germany, where it is a rare surname, and Slovakia. Measured by absolute frequency, it is commonest in Poland, Germany, and the United States. Also, Kwasny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kwasny | Germany, Canada, France, Poland, United States |
| ursula kwasny German politician, DE (b. 1952) |
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| mary j. kwasny researcher |
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| jacek kwasny researcher (ORCID 0000-0002-9436-3835) |
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| dorota kwasny researcher |
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| werner kwasny researcher |
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