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Cognomen Ризо (Rizo , Ризо , Ryzo) , in the entire world, is a common surname. The cognomen Ризо is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is a common surname, Mexico, where it is quite a common surname, and Costa Rica. Not in comparison with a country's population, it is the most numerous in Latin America and the Caribbean, particularly Mexico, Nicaragua, and Colombia. Much less frequently, Ризо is the forename as well as the last name.