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Last name Hoshina (保科 , 星名 , Hoshina ) , around the world, is a rare cognomen. The family name Hoshina is characteristic of Belarus, where it is a rare surname, Singapore, where it is a very rare surname, and New Zealand. Measured by absolute frequency, it is the most numerous in China, Brazil, and Japan. More frequently, Hoshina is the forename as well as the last name.