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Family name Arroz (Ros , Aru , Aros ) , in all the world, is a common cognomen. The last name Arroz is characteristic of Vanuatu, where it is a common surname, Andorra, where it is quite a common surname, and Estonia (explore the name in all countries). Not in comparison with a country's population, it is commonest in Spain, India, and Indonesia. Also, Arroz is the forename as well as the last name.