Surname Castaños (Castaños 
) , around the world, is quite a rare last name. The surname Castaños is characteristic of Latin America and the Caribbean, particularly the Dominican Republic, where it is quite a rare surname, Bolivia, and Mexico. Not in comparison with a country's population, it is the most numerous in Latin America and the Caribbean, particularly Mexico, Argentina, and the Dominican Republic. Very seldom, Castaños is the forename as well as the last name.
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| Castaños | Dominican Republic, Spain, Argentina, Mexico, Bolivia |
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francisco javier castaños Spanish general during the Peninsular War (1758-1852), ES (b. 1758) |
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| manuel castaños Spanish sculptor, ES (b. 1857) |
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| josé maría carpio y castaños Spanish writer (1857-1936), ES (b. 1857) |
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heriberta castaños lomnitz (b. 1935) |
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| fede castaños Spanish football manager, ES (b. 1959) |
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| adolfo castaños ES (b. 1954) |
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| adriana castaños (b. 1956) |
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| claudia castaños Lawyer, news presenter, DO (b. 1979) |
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| octavio castaños researcher |
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| pedro conrado martínez castaños ETA terrorism victim, ES |
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| juan manuel martínez castaños ETA terrorism victim, ES |
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