In the entire world, Galileu (Galileu 
) is quite a rare male forename. The first name Galileu is habitual in Guinea-Bissau, where it is quite a rare boy's name, Brazil, where it is a rare male name, and Portugal. Very seldom, Galileu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Galileu | Guinea-Bissau, Portugal, Spain, Angola, Brazil |
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galileu arruda Brazilian composer and musician, BR (b. 1953) |
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| galileu teixeira machado Brazilian politician, BR (b. 1932) |
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| galileu ferreira ayala farias researcher |
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| galileu petronilo da silva dantas researcher |
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| galileu barbosa costa researcher |
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| galileu coelho Brazilian zoologist, BR |
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Lima, Junior, Farias, Martins, Machado, Menezes, Santana, Almeida, Andrade, Arantes, Azevedo, Barbosa, Pereira, Ribeiro, Galilei, Freitas, Monteiro, Medeiros, Teixeira, Ferreira, Oliveira, Rodrigues, Garcia, Borges, Barros, Campos, Neto, Moura, Silva, Sousa, Souza, Alves, Assis, Costa, Cunha, Brito, Viana Filho, Paiva, Rocha, Gomes, Filho, Macedo, Moraes, Mendes, Santos, Soares, Araujo, Castro, Pinto, and Nascimento