Globally, ヒロコ (Hiroko 
, ヒロコ ) is quite a common mostly girly, but uncommonly male first name. The first name ヒロコ is habitual in Japan, where it is quite a rare epicene name, Benin, where it is a rare female name, and the United States. In absolute terms, it most frequently occurs in Japan, the United States, and China. More prevalently, ヒロコ is the last name as well as the forename.