Last name Petralia (Petralia 
) , all over the world, is quite a common surname. The family name Petralia is habitual in Italy, where it is quite a rare surname, Switzerland, where it is a rare surname, and Argentina. Not in comparison with a country's population, it most frequently occurs in Italy, the United States, and Argentina. Much less frequently, Petralia is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Petralia | Italy, Argentina, United States, France, Germany |
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innocenzo da petralia Italian sculptor, IT (b. 1592) |
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tito petralia Italian conductor and composer, IT (b. 1896) |
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giuseppe petralia Italian Catholic bishop and writer (1906-2000), IT (b. 1906) |
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kathryn petralia American entrepreneur, US (b. 1970) |
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| giuseppe petralia Italian journalist (1944-), IT (b. 1944) |
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| mickey petralia American record producer (b. 1953) |
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| giuseppe petralia Italian medievalist (1954-), IT (b. 1954) |
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| giuseppe petralia Italian oncologist and radiologist (1977-), IT (b. 1977) |
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| francesca petralia researcher |
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| l s petralia researcher |
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| ronald s petralia researcher (ORCID 0000-0003-4423-8355) |
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| salvatore petralia researcher |
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| maria cristina petralia researcher |
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| anna petralia researcher |
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| sergio g petralia researcher (ORCID 0000-0001-5449-2758) |
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