Throughout the world, ヒサコ (Hisako 
, ヒサコ ) is quite a common girly given name. The first name ヒサコ is characteristic of Japan, where it is quite a rare girly name, the United States, where it is a rare girly name, and Australia, where it is a very rare feminine name. In absolute terms, this name is the most popular in Japan, the United States, and China. Very seldom, ヒサコ is the last name as well as the forename.