In the entire world, Adélio (Adélio 
) is a rare male first name. The first name Adélio is characteristic of Portugal, where it is a rare male name, and Angola.
| VARIANT | COUNTRY |
|---|---|
| Adélio | Brazil, Angola, France, Portugal, Mozambique |
| adélio dias maciel Brazilian politician, BR (b. 1889) |
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| adélio guilherme pacheco Portuguese association football player (1920-1999), PT (b. 1920) |
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| adélio sarro Brazilian painter, BR (b. 1950) |
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| adélio m. mendes researcher |
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| adélio r. gaspar researcher |
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| adélio bispo de oliveira BR (b. 1978) |
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| adélio mendes |
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| adélio alcino sampaio castro machado |
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Cruz, Marques, Moreira, Andrade, Antunes, Araújo, Cardoso, Barbosa, Pereira, Peralta, Ribeiro, Júnior, Fonseca, Carvalho, Carneiro, Pinheiro, Teixeira, Nogueira, Ferreira, Oliveira, Schneider, Rodrigues, Martins, Vieira, Ngumbe, Junior, Reis, Dias, Lima, Neto, Moura, Silva, Alves, Costa, Brito, Pinto, Fernandes, Rocha, Leite, Neves, Faria, Filho, Manuel, Santos, Soares, Castro, Borges, Duarte, Gomes, and Nascimento