Minoru Betsuyaku (?? ?, Betsuyaku Minoru, born 1937) is one of Japan's most prominent postwar playwrights, novelists, and essayists.
He won a name for himself as a writer in the "nonsense" genre and has helped lay the foundations of the Japanese "theater of the absurd." His works focused a lot of the aftermath of the war and especially the nuclear holocaust.