Family name Barreiros (Barreiros 
) , in all the world, is a common surname. The family name Barreiros is characteristic of Portugal, where it is quite a common surname, Brazil, where it is quite a rare surname, and Malta. Not in comparison with a country's population, it most frequently occurs in Brazil, Portugal, and France. Much less frequently, Barreiros is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Barreiros | Brazil, Argentina, France, Portugal, Spain |
| antônio barreiros (b. 1600) |
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| fortunato josé barreiros Portuguese military personnel, PT (b. 1797) |
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| joaquim antónio velez barreiros Portuguese noble, diplomat, minister and soldier (b. 1802) |
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| francisco gonçalves da silva barreiros Brazilian journalist, BR (b. 1844) |
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| visconde de barreiros PT (b. 1838) |
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augusto do souto barreiros Portuguese writer (1922-2012), PT (b. 1922) |
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quim barreiros Portuguese singer, PT (b. 1947) |
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| eduardo canabrava barreiros Brazilian illustrator, BR (b. 1908) |
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| eduardo barreiros Spanish businessperson (1919-1992), ES (b. 1919) |
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| humberto de souza barreiros Brazilian botanist, BR (b. 1922) |
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| héctor barreiros Argentinian actor and journalist (1929-2011), AR (b. 1929) |
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ricardo barreiros Portuguese roller hockey player, PT (b. 1982) |
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| idalina tavares barreiros politician from Brazil, BR (b. 1935) |
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| antonio pérez barreiros ES (b. 1928) |
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| acácio barreiros Portuguese politician, PT (b. 1948) |
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