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All over the world, Киё (Kiyo
, 吉良
, Киё
) is a widespread predominantly feminine, but scarcely masculine first name. The first name Киё is habitual in Eastern Asia, particularly Japan, where it is quite a common female name, China, where it is a rare boy's name, and Hong Kong, where it is a rare feminine name. Measured by absolute frequency, it most frequently occurs in Japan, China, and Indonesia. Much less frequently, Киё is the last name as well as the forename.
Киё is also a name for the fictitious and mythical characters: Kiyo Takamine and Zatch Bell , the Characters from anime and manga Zatch Bell!.