Throughout the world, Altamiro (Altamiro 
) is a common masculine first name. The first name Altamiro is characteristic of Brazil, where it is quite a rare masculine name, Portugal, where it is a rare boy's name, and Chile. In absolute terms, the name is most common in Latin America and the Caribbean, particularly Brazil, Argentina, and Chile.
| VARIANT | COUNTRY |
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| Altamiro | Portugal, Argentina, Brazil, Chile, United States |
| altamiro moyses zimerfogel Brazilian community activist, BR (b. 1939) |
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| altamiro martins (b. 1931) |
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| altamiro barbosa machado Portuguese university teacher, PT (b. 1944) |
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| altamiro josé dos anjos BR (b. 1935) |
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| altamiro de freitas person identified in the Museu da Pessoa collection, BR (b. 1951) |
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| altamiro de souza lima ferraz júnior person identified in the Museu da Pessoa collection, BR (b. 1967) |
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| altamiro rodrigues (b. 1959) |
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| altamiro costa-pereira researcher |
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Melo, Campos, Borges, Junior, Vieira, Martins, Machado, Moreira, Santana, Almeida, Andrade, Cardoso, Barbosa, Pereira, Ribeiro, Freitas, Carvalho, Teixeira, Ferreira, Oliveira, Rodrigues, Goncalves, Araujo, Soares, Santos, Moraes, Cruz, Rosa, Reis, Dias, Lima, Neto, Moura, Silva, Sousa, Souza, Fernandes, Alves, Cunha, Paula, Pinto, Ramos, Rocha, Gomes, Lopes, Jesus, Filho, Morais, Costa, and Nascimento