Takeshi Kaikō (開高 健, Kaikō Takeshi, also "Kaikō Ken", 30 December 1930 – 9 December 1989) was a prominent post-World War II Japanese novelist, short-story writer, essayist, literary critic, and television documentary writer. He was distinguished by his knowledge, intellect, sense of humor and conversational skills, and although his style has been criticized as wordy and obtuse, he was one of the more popular Japanese writers in the late Shōwa period.