Ko Machida (1962-) is a punk singer, poet, actor, and novelist from Osaka. As a high school student he set up the punk band. "Inu" in which he was the singer. He also became active as an actor. He appeared in the 1982 movie Bakuretsu toshi Burst City (Burst City), directed by Sogo Ishii, and others. He debuted as a poet with Kyoka (Offering Flowers)in 1992, and as a novelist with Kussun daikoku(Kussun Daikoku) in 1996. In 2000, he won the Akutagawa Prize for Kiregire (Choppy).

1997 Noma Literary Prize for New Writers, for Kussun daikoku (Kussun Daikoku)

2000 Akutagawa Prize, for Kiregire (Choppy)

2005 Tanizaki Jun'ichiro Prize, for Kokuhaku(Confession)

2008 Noma Literary Prize, for Yadoya meguri(Visiting Inns)