Ken Kuronuma (黒沼健, Kuronuma Ken); (1 May 1902 - 5 July 1985) was the pen-name of a novelist, science fiction writer, and mystery writer in Showa period Japan. His real name was Soda Michio (左右田道雄). His father, Soda Kiichiro (左右田喜一郎), was an economist and a banker. Kuronuma was the writer of the Kaiju classic Giant Monster of the Sky: Rodan (known in Japan as Sora no Daikaijū: Radon (空の大怪獣 ラドン, Sora no Daikaijū Radon)), a 1956 tokusatsu film produced by Tōhō Studios.