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Cognomen Montalvo (Montalvo , Монтальво , Монталво ) , in the entire world, is a widespread family name. The cognomen Montalvo is characteristic of Latin America and the Caribbean, particularly Puerto Rico, where it is a common surname, Peru, where it is quite a common surname, and Bolivia (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Mexico, Peru, and the United States. Much less frequently, Montalvo is the forename as well as the last name.