Cognomen Arpaia (Arpaia 
) , all around the world, is quite a rare last name. The last name Arpaia is characteristic of Italy, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Ireland. Not in comparison with a country's population, it most frequently occurs in Italy, the United States, and France. Very seldom, Arpaia is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Arpaia | Italy, France, Brazil, United States, Argentina |
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bruno arpaia Italian writer/journalist, IT (b. 1957) |
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donatella arpaia American restaurateur, US (b. 1971) |
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| alfredo arpaia Italian politician, IT (b. 1930) |
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| pasquale j. arpaia Ph.D. Adelphi University 1971 |
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| nicola arpaia researcher |
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| nicholas arpaia researcher ORCID ID = 0000-0002-0657-0528 |
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| pasquale arpaia researcher |
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| riccardo arpaia researcher |
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| salvatore arpaia researcher |
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