Naoshi Koriyama (郡山 直, Kōriyama Naoshi, born in 1926) is a Japanese poet and author.
Born in Kikai Island, Kagoshima Prefecture, he first attended the University of New Mexico.
He graduated from the New York State College for Teachers at Albany in 1954 and returned to Japan to teach and write poetry.
His interest in poetry came from using it as a tool to combat his feelings of loneliness when he transferred from New Mexico to Albany in 1951.
He speaks Japanese, English, and his native Kikai.