Globally, Киёко (Kiyoko 
, Киёко 
, Kijoko 
) is quite a rare gender-neutral forename. The first name Киёко is characteristic of Japan, where it is quite a rare predominantly boy's, but very infrequently girly name, the United States, where it is a rare feminine name, and Belgium. In absolute terms, it most frequently occurs in Japan, the United States, and Indonesia. Much less frequently, Киёко is the last name as well as the forename.