Cognomen Portilho (Portilho 
) , in the entire world, is quite a common surname. The last name Portilho is habitual in Brazil, where it is quite a rare surname, Portugal, and Luxembourg. Not in comparison with a country's population, it most frequently occurs in Brazil, Portugal, and France.
| VARIANT | COUNTRY |
|---|---|
| Portilho | Portugal, Luxembourg, France, Brazil, United States |
| rosane soares portilho BR (b. 1956) |
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| lucas portilho researcher (ORCID 0000-0001-9399-1664) |
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| gilberto fraga portilho correspondence chess player |
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| moyra machado portilho researcher |
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| gabrielle jordão portilho Brazilian association football player, BR (b. 1995) |
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