Around the world, Adailton (Adailton 
) is a common boy's given name. The first name Adailton is characteristic of Brazil, where it is quite a common boy's name, Uruguay, where it is a rare male name, and Portugal. In absolute terms, the name is most common in Brazil, Portugal, and Italy.
| VARIANT | COUNTRY |
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| Adailton | Japan, Brazil, Italy, United States, Portugal |
| adailton de oliveira morais Brazilian politician, BR (b. 1922) |
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| adailton raimundo leite politician from Brazil, BR (b. 1953) |
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| adailton silva person identified in the Museu da Pessoa collection, BR (b. 1955) |
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| adailton da silva marques Brazilian politician, BR (b. 1963) |
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| adailton pereira da costa filho politician from Brazil, BR (b. 1963) |
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| adailton florentino do nascimento Brazilian politician, BR (b. 1966) |
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| adailton sa dos santos politician from Brazil, BR (b. 1969) |
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| adailton martins noleto politician from Brazil, BR (b. 1969) |
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| coronel adailton Brazilian politician |
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| adailton fúria Brazilian politician |
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| adailton silva conceição leader of a Candomblé temple |
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| adailton santos de andrade Brazilian politician, BR (b. 1981) |
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| adailton furia BR (b. 1986) |
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Melo, Junior, Vieira, Martins, Machado, Moreira, Santana, Almeida, Andrade, Cardoso, Barbosa, Batista, Pereira, Ribeiro, Freitas, Carvalho, Teixeira, Ferreira, Oliveira, Conceicao, Rodrigues, Goncalves, Barros, Araujo, Soares, Santos, Cruz, Reis, Dias, Lima, Matos, Moura, Silva, Sousa, Souza, Alves, Fernandes, Costa, Brito, Ramos, Rocha, Gomes, Lopes, Jesus, Neves, Nunes, Filho, Mendes, Cunha, and Nascimento