All around the world, Janaína (Janaína 
) is a rare feminine first name. The first name Janaína is habitual in Portugal, where it is a rare female name, and Brazil, where it is a very rare feminine name. Very seldom, Janaína is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Janaína | Germany, Portugal, Brazil, United States, Angola |
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janaína ávila Brazilian actress, BR (b. 1977) |
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janaína gomes-da-silva Brazilian botanist, BR (b. 1980) |
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| janaína dutra Brazilian lawyer, BR (b. 1960) |
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| janaína tschäpe German-Brazilian artist, DE (b. 1973) |
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| janaína anjos de miranda Brazilian volleyball player, BR (b. 1973) |
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| janaína pinto marques Brazilian politician, BR (b. 1974) |
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| janaína brandão Brazilian singer, BR (b. 1976) |
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| janaína petit Brazilian volleyball player, BR (b. 1977) |
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| janaína xavier Brazilian Sports Journalist, BR (b. 1977) |
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| janaína de almeida teles (b. 1967) |
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| janaína monteiro poie person identified in the Museu da Pessoa collection, BR (b. 1978) |
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| janaína lince Brazilian actress, BR (b. 1979) |
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| janaína machado person identified in the Museu da Pessoa collection, BR (b. 1979) |
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| janaína paula back researcher |
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| janaína siqueira researcher (ORCID 0000-0003-0012-1868) |
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Melo, Marques, Machado, Moreira, Miranda, Santana, Almeida, Andrade, Araújo, Cardoso, Barbosa, Pereira, Ribeiro, Freitas, Silveira, Carvalho, Teixeira, Ferreira, Oliveira, Rodrigues, Fernandes, Guimarães, Martins, Vieira, Borges, Barros, Rosa, Reis, Dias, Lima, Moura, Silva, Sousa, Souza, Alves, Costa, Gonçalves, Paula, Rocha, Gomes, Lopes, Neves, Nunes, Moraes, Mendes, Santos, Soares, Castro, Ramos, and Nascimento