Throughout the world, Ubirajara (Ubirajara 
) is a common masculine first name. The first name Ubirajara is habitual in Brazil, where it is quite a rare masculine name, Portugal, where it is a very rare boy's name, and the United States, where it is an extremely rare dominantly male, but uncommonly feminine name. Very seldom, Ubirajara is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Ubirajara | Brazil, Spain, Portugal, United States, France |
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ubirajara rodrigues Brazilian lawyer and writer on UFOs, BR (b. 1955) |
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| ubirajara índio do ceará Brazilian politician (1912-1979), BR (b. 1912) |
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ubirajara claudino Master of the Room, BR (b. 1973) |
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| ubirajara ribeiro martins Brazilian entomologist (1932-2015), BR (b. 1932) |
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| ubirajara mota Brazilian association football player, BR (b. 1936) |
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| ubirajara gonçalves motta Brazilian association football player, BR (b. 1936) |
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| ubirajara ferreira diniz person identified in the Museu da Pessoa collection, BR (b. 1937) |
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| ubirajara garcia ritton politician from Brazil, BR (b. 1942) |
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| ubirajara anchieta rodrigues person identified in the Museu da Pessoa collection (118357), BR (b. 1947) |
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| ubirajara fidalgo Brazilian actor, BR (b. 1949) |
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| ubirajara pacheco carvalho filho. person identified in the Museu da Pessoa collection, BR (b. 1951) |
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| ubirajara veiga da silva Brazilian association football player, BR (b. 1955) |
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| ubirajara van kolck physicist at University of Arizona (b. 1963) |
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| ubirajara pereira Portuguese volleyball player, PT (b. 1970) |
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| ubirajara cassiano rocha Brazilian politician, BR (b. 1976) |
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Melo, Vieira, Martins, Machado, Moreira, Santana, Almeida, Andrade, Cardoso, Barbosa, Pereira, Ribeiro, Freitas, Fonseca, Silveira, Carvalho, Teixeira, Ferreira, Oliveira, Conceicao, Rodrigues, Goncalves, Junior, Castro, Araujo, Soares, Cruz, Rosa, Reis, Dias, Lima, Neto, Silva, Sousa, Souza, Alves, Fernandes, Costa, Pinto, Ramos, Rocha, Gomes, Lopes, Jesus, Nunes, Filho, Moraes, Santos, Cunha, and Nascimento