Globally, Silvânia (Silvânia 
) is a very rare female forename. The forename Silvânia is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare girly name. Much less frequently, Silvânia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Silvânia | Brazil, Portugal, United States, Cabo Verde, France |
| silvânia aquino Brazilian singer, BR (b. 1973) |
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| silvânia paiva dos santos researcher (ORCID 0000-0002-6911-8256) |
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| silvânia suely caribé de araújo andrade researcher |
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Sil, Marques, Moreira, Santana, Almeida, Andrade, Araújo, Cardoso, Barbosa, Pereira, Ribeiro, Tavares, Freitas, Medeiros, Silvania, Carvalho, Teixeira, Ferreira, Oliveira, Rodrigues, Fernandes, Guimarães, Martins, Marinho, Vieira, Coelho, Melo, Rosa, Leal, Lima, Maria, Muniz, Silva, Sousa, Souza, Alves, Gonçalves, Costa, Ramos, Rocha, Gomes, Lopes, Mattos, Macedo, Morais, Mendes, Santos, Soares, Brito, and Nascimento