Last name Kwasniewski (Kwasniewski 
, Kwaśniewski 
, Квасневський 
) , in the world, is quite a common family name. The family name Kwasniewski is characteristic of Poland, where it is quite a common surname, Ukraine, where it is a rare surname, and France. Measured by absolute frequency, this name is the most popular in Poland, the United States, and Ukraine. Also, Kwasniewski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kwasniewski | Poland, France, United States, Germany, Brazil |
| Kwaśniewski | Germany, Poland, United Kingdom, United States |
| Квасневський | Ukraine |
| roman b. j. kwasniewski (b. 1886) |
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peter kwasniewski American traditionalist Catholic author (1971–), US (b. 1971) |
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dylan kwasniewski American stock car racing driver, US (b. 1995) |
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| klaus kwasniewski (b. 1940) |
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| bartosz kosma kwasniewski Ph.D. Polska Akademia Nauk and Uniwersytet w Białymstoku 2009 |
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| daniel kwasniewski researcher |
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