Cognomen Beiras (Beiras 
) , in the entire world, is a rare last name. The family name Beiras is characteristic of Argentina, where it is a rare surname, Spain, and Portugal. Not in comparison with a country's population, the name is most common in Argentina, Spain, and Brazil. Much less frequently, Beiras is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Beiras | Portugal, Argentina, Spain, Brazil, United States |
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xosé manuel beiras Spanish politician and economist, ES (b. 1936) |
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| fernando barcia beiras ES (b. 1885) |
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| manuel beiras Spanish politician (1904-1996), ES (b. 1904) |
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| alfonso castro beiras ES (b. 1944) |
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| ricardo beiras researcher, ES (b. 1965) |
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| xulio beiras |
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Ale, Abner, Celia, Katia, Paula, Pablo, Pedro, Denis, Darci, David, Diego, Laura, Lidia, José, Josã, Jorge, Jesus, Norma, Elida, Elena, Fraan, Irene, Antia, Aline, Sofia, Sonia, Ana, Joe, Mike, Sara, Raul, Gaby, Gema, Lisa, Luis, Luiz, Marisa, Jose, Joel, Nora, Facu, Omar, Maria, Mario, Marta, Marã, Mabel, Moira, Joao, and Marcos