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Cognomen Chaves (Chaves , チャベス , Чавес ) , worldwide, is a widespread family name. The last name Chaves is habitual in Costa Rica, where it is a widespread surname, Brazil, where it is a common surname, and Portugal (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Latin America and the Caribbean, particularly Brazil, Costa Rica, and Colombia. Very seldom, Chaves is the forename as well as the last name.