Family name Piwarz (Piwarz 
) , all around the world, is a very rare surname. The cognomen Piwarz is characteristic of Germany, where it is a very rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Piwarz | Brazil, Germany |
|
christian piwarz German politician, DE (b. 1975) |
|