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Across the world, Reginaldo (Reginaldo
) is a widespread male first name. The forename Reginaldo is characteristic of Brazil, where it is a common male name, Equatorial Guinea, where it is quite a common masculine name, and Guatemala, where it is quite a rare masculine name. Not in comparison with a country's population, it is commonest in Brazil, Mexico, and Philippines. Very seldom, Reginaldo is the last name as well as the forename.
Melo, Vieira, Martins, Marques, Machado, Moreira, Santana, Almeida, Andrade, Cardoso, Barbosa, Batista, Pereira, Ribeiro, Freitas, Carvalho, Teixeira, Ferreira, Oliveira, Conceicao, Rodrigues, Goncalves, Junior, Barros, Araujo, Soares, Cruz, Rosa, Reis, Dias, Lima, Moura, Silva, Sousa, Souza, Alves, Fernandes, Costa, Pinto, Ramos, Rocha, Gomes, Lopes, Jesus, Nunes, Filho, Moraes, Santos, Brito, and Nascimento