Family name Dornellas (Dornellas 
) , in the world, is quite a rare surname. The family name Dornellas is characteristic of Brazil, where it is a rare surname, Portugal, and Canada, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Brazil, the United States, and Portugal.
| VARIANT | COUNTRY |
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| Dornellas | Canada, Portugal, France, Brazil, United States |
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fabrício silva dornellas Brazilian footballer and manager, BR (b. 1990) |
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| deborah dornellas Brazilian writer, BR (b. 1959) |
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| lúcia helena dornellas politician from Brazil, BR (b. 1968) |
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| alexander riboura dornellas Brazilian politician, BR (b. 1973) |
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| abraão ferreira lopes dornellas researcher |
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| ana paula s dornellas Brazilian molecular biologist |
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| joão dornellas person identified in the Museu da Pessoa collection, BR |
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| téo dornellas |
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