The Cloud Dream of the Nine (Hangul: 구운몽, Hanja: 九雲夢) by Kim Man-jung is a 17th-century Korean novel set in the Chinese Tang Dynasty. It has been called “one of the most beloved masterpieces in Korean literature." It was the first literary work of Korea to be translated into English, by James Scarth Gale in 1922. Richard Rutt's 1974 translation is entitled A Nine Cloud Dream. In 2019, Penguin Classics published a new translation by Heinz Insu Fenkl entitled The Nine Cloud Dream.
The oldest existing text of the book was written in Classical Chinese.