Surname Piwnik (Piwnik 
) , across the world, is a rare family name. The family name Piwnik is habitual in Israel, where it is a rare surname, Poland, and Norway, where it is a very rare surname. In absolute terms, it is the most numerous in Poland, Israel, and France. Likewise, Piwnik is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Piwnik | Germany, Poland, Canada, France, Israel |
|
jan piwnik Polish Army officer, PL (b. 1912) |
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barbara piwnik Polish judge, PL (b. 1955) |
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| marcin piwnik researcher |
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| agata piwnik Polish entomologist, PL |
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