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Cognomen Hironaka (Hironaka ) , all over the world, is a rare surname. The cognomen Hironaka is characteristic of Canada, where it is a rare surname, Peru, and the United States, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in the United States, Japan, and Brazil. More frequently, Hironaka is the forename as well as the last name.