Family name Porfidia (Porfidia 
) , worldwide, is a rare surname. The family name Porfidia is habitual in Italy, where it is a rare surname, Honduras, and Venezuela. In absolute terms, it is commonest in Italy, Venezuela, and Argentina. Likewise, Porfidia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Porfidia | Italy, Bolivia, Argentina, Peru, Venezuela |
| americo porfidia Italian politician, IT (b. 1958) |
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| angelo porfidia researcher ORCID ID = 0000-0003-4915-2892 |
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