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Surname Hachiya (Hachiya , Хатия ) , all over the world, is a rare cognomen. The surname Hachiya is habitual in Singapore, where it is a rare surname, Peru, where it is a very rare surname, and Japan. Measured by absolute frequency, the name is most common in the United States, Brazil, and Japan. More frequently, Hachiya is the forename as well as the last name.