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All around the world, 治彦 (Haruhiko , 治彦 ) is a rare principally masculine, but scarcely girly first name. The first name 治彦 is habitual in Japan, where it is a rare male name, Italy, where it is a very rare male name, and Indonesia. Not in comparison with a country's population, it most frequently occurs in Japan, China, and Indonesia. Likewise, 治彦 is the last name as well as the forename.