Family name Petraru (Petraru 
) , globally, is quite a rare last name. The cognomen Petraru is habitual in Romania, where it is quite a rare surname, Moldova, and Israel, where it is a rare surname. In absolute terms, it is the most numerous in Romania, Italy, and Moldova. Very seldom, Petraru is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Petraru | Romania, Italy, Moldova, France, Israel |
| ionel petraru Romanian politician from Roșiori, Bacău County, RO |
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| adrian petraru researcher |
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| dănuț petraru Romanian politician from Bâra, Neamț County, RO |
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| gheorghe petraru RO |
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Mr, Micha, Mihai, Sarah, Solon, Sonia, Sorin, Alina, Cyril, Paula, Petru, Denis, Diana, Laura, Leila, Livia, Liviu, Liuba, Jorge, Tudor, Elena, Irina, Moshe, Maria, Oana, Oren, Ms, Ana, Adi, Dan, Eva, Ion, Alex, Alin, Anna, Anca, Ilana, Paul, Gabi, Gina, Laur, Lear, Juan, Nicu, Eyal, Vali, Vlad, Ioan, Radu, and Ionel