The following is a list of characters from the novel The Deer and the Cauldron by Jin Yong (Louis Cha). Some of these characters previously appeared in another novel Sword Stained with Royal Blood, which is also written by Jin Yong. Some of these characters are based on historical figures, such as the Kangxi Emperor, Oboi, Wu Sangui, Chen Yuanyuan, Princess Changping, Zheng Keshuang, Feng Xifan, Galdan Boshugtu Khan, Sophia Alekseyevna, Wu Liuqi and Zha Jizuo (a purported ancestor of Jin Yong).
The Mystic Dragon Cult (神龍教; 神龙教; Shén Lóng Jiào; San4 Lung4 Gaau3) is a martial arts sect based on Mystic Dragon Island (神龍島), a fictional island located somewhere off the northeastern coast of China.