Surname Passariello (Passariello 
) , throughout the world, is quite a rare cognomen. The last name Passariello is characteristic of Italy, where it is quite a rare surname, Venezuela, where it is a rare surname, and the United States, where it is a very rare surname. Much less frequently, Passariello is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Passariello | France, Spain, Venezuela, Italy, United States |
| roberto passariello (b. 1942) |
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| claudio passariello researcher (ORCID 0000-0001-7056-0263) |
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| annalisa passariello researcher (ORCID 0000-0003-4638-0996) |
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| fausto passariello researcher ORCID ID = 0000-0001-9762-3535 |
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| christina passariello US |
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| sharla passariello Welsh footballer (born 1992), GB (b. 1992) |
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