Last name Porfírio (Porfirio 
, Porfírio 
) , in the world, is a widespread cognomen. The last name Porfírio is habitual in Latin America and the Caribbean, particularly Mexico, where it is quite a common surname, Nicaragua, and Honduras. Measured by absolute frequency, this name is the most popular in Latin America and the Caribbean, particularly Mexico, Brazil, and Honduras. Likewise, Porfírio is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Porfirio | Mexico, Brazil, Peru, Nicaragua, Honduras |
| Porfírio | Portugal, Angola, Brazil, United States, United Kingdom |
Porfiri, Porfirios, Porfiriu, Porfyrios, and Porphyrios
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carlos filipe porfírio (1895-1970), PT (b. 1895) |
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josé luís porfírio PT (b. 1943) |
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| hugo porfírio Portuguese footballer, PT (b. 1973) |
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| grasiela edith de oliveira porfírio researcher |
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| darilena monteiro porfírio researcher (ORCID 0000-0003-3320-0255) |
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| sara porfírio researcher |
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| nuno porfírio PT (b. 1975) |
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| tayane porfírio BJJ practitioner, BR (b. 1994) |
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| diego porfírio Brazilian footballer, BR (b. 1999) |
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Mi, Vera, Fran, Igor, Ieda, Maria, Mario, Marta, Marco, Maira, Mauro, Milca, Sandy, Sarah, Saulo, Aline, Adair, Adson, Carla, Clara, Breno, Bruno, Hugo, Nuno, Tami, Joao, Ana, Rui, Tio, Sara, Alan, Caio, Kade, Raul, Rosy, Rita, Bruna, Rute, Gabi, Geni, Lais, Luis, Luiz, Luan, Luuh, Léo, Jane, Jose, Davi, and Kauê