Worldwide, Acelino (Acelino 
) is quite a rare boy's first name. The first name Acelino is characteristic of Brazil, where it is quite a rare masculine name, and Philippines, where it is a very rare boy's name. Much less frequently, Acelino is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Acelino | Philippines, Spain, Argentina, Brazil, Mexico |
| acelino cruz de barros leader of a Candomblé temple |
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| acelino couto alfenas botanist |
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| acelino couto alfenas researcher |
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| acelino costa leitão Brazilian politician, BR |
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Melo, Borges, Junior, Vieira, Martins, Machado, Santana, Almeida, Andrade, Cardoso, Barbosa, Batista, Pereira, Ribeiro, Freitas, Monteiro, Carvalho, Teixeira, Ferreira, Oliveira, Conceicao, Rodrigues, Campos, Araujo, Soares, Santos, Cruz, Rosa, Reis, Dias, Lima, Neto, Matos, Moura, Silva, Sousa, Goncalves, Souza, Costa, Brito, Ramos, Rocha, Gomes, Lopes, Jesus, Nunes, Filho, Moraes, Alves, and Nascimento