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Cognomen Nagatomo (Nagatomo
, 長友
, ながとも) , in all the world, is a rare family name. The cognomen Nagatomo is characteristic of Kenya, where it is a rare surname, Singapore, and Brazil. Not in comparison with a country's population, the name is most common in Brazil, Kenya, and Japan. Likewise, Nagatomo is the forename as well as the last name.