Kōshirō, Koshiro or Koushirou is a masculine Japanese given name. Notable people with the name include:Matsumoto Kōshirō , various kabuki actors Kōshirō Onchi , Japanese print maker and photographer Koshiro Shimada , Japanese figure skater Koshiro Sugita , Japanese Paralympic swimmer Koshiro Take , Japanese jockey Koshiro Ueki , Japanese politician Koshiro Yamamuro , Japanese baseball player
