Kōshirō

Kōshirō, Koshiro or Koushirou (written: 幸四郎, 孝四郎, 高志郎, 庚子郎, 好志郎 or 公志郎) is a masculine Japanese given name. Notable people with the name include:


 * Koshiro Itohara (糸原 紘史郎), Japanese footballer
 * Kōshirō Ishida (石田 幸四郎), Japanese politician
 * Matsumoto Kōshirō (松本 幸四郎), various kabuki actors
 * Matsumoto Kōshirō X (十代目 松本幸四郎), Japanese actor and kabuki actor
 * Matsumoto Kōshirō VII (七代目 松本 幸四郎), Japanese actor
 * Kōshirō Onchi (恩地 孝四郎), Japanese print maker and photographer
 * Koshiro Sakamoto (坂本 光士郎), Japanese baseball player
 * Koshiro Shimada (島田 高志郎), Japanese figure skater
 * Koshiro Sugita (杉田 好志郎), Japanese Paralympic swimmer
 * Koshiro Sumi (角 昂志郎), Japanese footballer
 * Koshiro Take (武 幸四郎), Japanese jockey
 * Koshiro Ueki (植木 庚子郎), Japanese politician
 * Koshiro Yamamuro (山室 公志郎), Japanese baseball player
 * Yuzo Koshiro (古代 祐三), Japanese president of the company Ancient

Fictional characters:
 * Koushiro Izumi (泉 光子郎) (Izzy Izumi in English dub), a fictional character from Digimon Adventure.
 * Koushiro Sasaki (佐々木 古志郎), a fictional character from Machine Robo Rescue.
 * Chikuma Koshirou (筑摩 小四郎), a fictional character from The Kouga Ninja Scrolls

Koshirō or Koshirou (written: 古志郎) is a separate given name, though it may be romanized the same way:


 * Koshirō Oikawa (及川 古志郎) (1883–1958), Imperial Japanese Navy admiral