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Globally, Haruhiko (春彦 , Haruhiko , 治彦 ) is quite a common gender-neutral forename. The first name Haruhiko is characteristic of China, where it is a rare gender-neutral name, Japan, where it is a rare male name, and Italy, where it is a very rare masculine name. Not in comparison with a country's population, it is commonest in China, Japan, and Indonesia. Much less frequently, Haruhiko is the last name as well as the forename.