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In all the world, りさこ (Risako , りさこ) is a rare predominantly female, but scarcely boy's given name. The forename りさこ is habitual in Japan, where it is a rare female name, the United States, where it is an extremely rare girly name, and China, where it is an extremely rare masculine name. Very seldom, りさこ is the last name as well as the forename.