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Cognomen Petruz (Petruz
) , in all the world, is a rare family name. The family name Petruz is habitual in Croatia, where it is a rare surname, Italy, and Brazil, where it is a very rare surname. Measured by absolute frequency, it is commonest in Brazil, Italy, and Indonesia. Likewise, Petruz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Petruz | Brazil, Italy, France, Indonesia, Argentina |