Ryohei Koba (木場 良平, Koba Ryōhei, born 13 December 1962) is a Japanese sport shooter.
He was born in Kagoshima Prefecture.
He won a bronze medal in 50 metre rifle three positions at the 1992 Summer Olympics in Barcelona.
Koba was born in Kagoshima.
This biographical article relating to sport shooting in Japan is a stub.