Hiroshi Koshikawa (越川ひろし, Koshikawa Hiroshi, April 22, 1946 {age 75}; Yokohama - ) is a Japanese musician and lead guitarist. He is known as the band leader of The Carnabeats. His two nicknames was Hiro-chan (ヒロちゃん, Hirochan) and Frog (カエル, Kaeru).



Former member of "Freelancers", participated in the formation of "Robin Hood" (predecessor of The Carnabeats) with Ai Takano. It is unknown after the dissolution, but for a while he ran a dance hall in Nagano.

Currently, while opening a guitar class near Yurigaoka Station on the Odakyu Line, he appears irregularly at live houses in Tokyo, Roppongi and other cities in Japan.