Throughout the world, Ronildo (Ronildo 
) is a common male given name. The first name Ronildo is characteristic of Cabo Verde, where it is quite a common male name, Brazil, where it is quite a rare masculine name, and Philippines, where it is a rare masculine name.
| VARIANT | COUNTRY |
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| Ronildo | Philippines, Brazil, United States, Peru, Cabo Verde |
| ronildo dos santos nobre Brazilian politician, BR (b. 1969) |
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| ronildo vinhas alves Brazilian politician, BR (b. 1976) |
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| ronildo baiatone alencar Brazilian entomologist, BR |
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| ronildo alves benício researcher |
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| ronildo paulo-pereira researcher |
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Melo, Vieira, Martins, Moreira, Miranda, Santana, Almeida, Andrade, Cardoso, Barbosa, Batista, Pereira, Ribeiro, Freitas, Carvalho, Pinheiro, Teixeira, Ferreira, Oliveira, Conceicao, Rodrigues, Goncalves, Junior, Campos, Castro, Araujo, Cruz, Reis, Dias, Lima, Silva, Sousa, Souza, Alves, Costa, Cunha, Fernandes, Brito, Ramos, Rocha, Gomes, Lopes, Jesus, Nunes, Filho, Moraes, Santos, Soares, Pinto, and Nascimento