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Cognomen Niewinski (Niewinski
) , globally, is quite a rare surname. The cognomen Niewinski is characteristic of Poland, where it is quite a rare surname, Slovakia, where it is a rare surname, and the United States, where it is a very rare surname. In absolute terms, it is commonest in Poland, the United States, and Brazil. More prevalently, Niewinski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Niewinski | Slovakia, United States, Poland, Canada, Brazil |