Globally, Kotaro (Kotaro
, Котаро
, كوتارو) is quite a rare boy's forename. The first name Kotaro is characteristic of Japan, where it is a rare masculine name, Indonesia, and the United States, where it is a very rare predominantly masculine, but very seldom girly name. In absolute terms, it is the most numerous in Japan, Indonesia, and China. Likewise, Kotaro is the last name as well as the forename.
Kotaro is also a name for the fictitious and mythical characters: Kotaro Minami , the fictional character of Kamen Rider Black and Kamen Rider Black RX, Kamen Rider Decade; Kotaro , the Fictional character in the "Afro Samurai" franchise.; Kotaro Furukawa , the fictional human from Captain Tsubasa; Kotaro Hayama , the character from Kuroko's Basketball and Kotaro Kobayashi .