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Cognomen Marchan (Marchan , Маршан , Марчан ) , in the world, is a common family name. The family name Marchan is habitual in Latin America and the Caribbean, particularly Venezuela, where it is quite a common surname, Trinidad and Tobago, and Peru. Measured by absolute frequency, it is the most numerous in Venezuela, Peru, and Philippines. Much less frequently, Marchan is the forename as well as the last name.