The following is a list of characters from the novel The Book and the Sword by Jin Yong (Louis Cha). Some of these characters also appear in The Young Flying Fox, another of Jin Yong's works.
The Red Flower Society (紅花會; Hónghuāhuì) is a secret society aiming to overthrow the Manchu-led Qing Empire and restore Han Chinese rule in China. It is led by 15 leaders with Chen Jialuo as their chief.
- Taoist Wuchen (無塵道長; Wúchén Dàozhǎng), nicknamed "Soul-chasing, Life-taking Sword" (追魂奪命劍), is the second leader. Although he has lost his left arm, he retains his formidable prowess in martial arts, specialising in "72 Styles of Soul-chasing and Life-taking Swordplay" (七十二路追魂奪命劍) and "Linked Mizong Kicks" (連環迷蹤腿).
- Zhao Banshan (趙半山; Zhào Bànshān), nicknamed "Thousand Arms Buddha" (千臂如來), is the third leader. He is originally from the Taiji School (太極門) of Wenzhou and specialises in Taiji Fist and Taiji Swordplay, as well as the use of anqi (secret projectile weapons).
- Wen Tailai (文泰來; Wén Tàilái), nicknamed "Thunderbolt Hand" (奔雷手), is the fourth leader and Luo Bing's husband. He specialises in the "Thunderbolt Palm" (霹靂掌) and "Thunderbolt Saber" (奔雷刀法). At the start of the novel, the Qianlong Emperor sends his men to ambush and arrest him to prevent him from revealing the secret behind the emperor's origin. His fellows make several attempts to rescue him before eventually succeeding.
- Chang Hezhi (常赫志; Cháng Hèzhì) and Chang Bozhi (常伯志; Cháng Bózhì), nicknamed "Black Impermanence" (黑無常) and "White Impermanence" (白無常) respectively, are a pair of twin brothers who serve as the fifth and sixth leaders respectively. The brothers are originally from the Qingcheng School (青城派) and specialise in the "Black Sand Palm" (黑沙掌). They often disguise themselves as the Black and White Guards of Impermanence respectively.
- Xu Tianhong (徐天宏; Xú Tiānhóng), nicknamed "Martial Zhuge" (武諸葛), is the seventh leader who serves as the society's strategist. He was originally at odds with Zhou Qi and often argues with her, but later falls in love with her and marries her after they escape from danger together.
- Yang Chengxie (楊成協; Yáng Chéngxié), nicknamed "Iron Pagoda" (鐵塔), is the eighth leader. Originally the chief of the Green Flag Gang (青旗幫), he was defeated by Taoist Wuchen, who managed to convince him to join the Red Flower Society. He specialises in using the hard whip.
- Wei Chunhua (衛春華; Wèi Chūnhuá), nicknamed "Colourful Leopard with Nine Lives" (九命錦豹子), is the ninth leader. He is known for his courage in battle and has never been seriously wounded before, hence his nickname.
- Zhang Jin (章進; Zhāng Jìn), nicknamed "Rock Daring" (石敢當), is the hunchbacked tenth leader and the most eccentric among the leaders. He is killed during the battle in the palace at the end of the novel.
- Luo Bing (駱冰; Luò Bīng), nicknamed "Mandarin Ducks Saber" (鴛鴦刀), is the 11th leader and Wen Tailai's wife. She specialises in using a pair of sabers in combat.
- Shi Shuangying (石雙英; Shí Shuāngyīng), nicknamed "Ghosts Fret When They See Me" (鬼見愁), is the 12th leader who specialises in neijia fist styles. Known for his stern and serious demeanour, he serves as the society's chief enforcer of rules.
- Jiang Sigen (蔣四根; Jiǎng Sìgēn), nicknamed "Copper-headed Crocodile" (銅頭鱷魚), is the 13th leader. He specialises in "Lu Zhishen's Crazy Demon Staff" (魯智深瘋魔杖) and uses an iron oar in place of a monk's spade.
- Yu Yutong (余魚同; Yú Yútóng), nicknamed "Golden Flute Scholar" (金笛秀才), is the 14th leader. He plays the dizi (flute) and uses a golden dizi as his weapon. Having had a crush on Luo Bing for a long time, he attempts to comfort her when her husband is captured, and uses the chance to confess his feelings to her. However, she instantly rejects him and scolds him for having such immoral thoughts, causing him to feel ashamed of himself. At the same time, Yu Yutong is also aware that Li Yuanzhi has romantic feelings for him but he has been treating her coldly all this while because he still maintains his crush on Luo Bing. In the middle of the novel, he feels guilty for having hurt both Luo Bing and Li Yuanzhi emotionally, so he becomes a Buddhist monk to escape from the vicissitudes of life. However, when he learns that the society is in trouble, he decides to return to secular life to help them. With help from his fellows, he eventually accepts Li Yuanzhi's love and marries her.
- Xinyan (心硯; Xīnyàn) is Chen Jialuo's servant who later becomes the society's 15th leader.
- Yu Wanting (于萬亭; Yú Wàntíng), who is only mentioned by name in the novel as he is already long dead, was Chen Jialuo's godfather and the former chief of the society. He was also a secular member (俗家弟子) of the Shaolin School.
The "Six Devils of Guandong" (關東六魔) are a group of six martial artists from Guandong (Manchuria) who are hired by Bai Zhen to assist him in executing the Qianlong Emperor's order to eliminate the Red Flower Society.
- Teng Yilei (滕一雷; Téng Yīléi) is the most fearsome of the six. He is determined to slay any enemy at the expense of his life.
- Gu Jinbiao (顧金標; Gù Jīnbiāo) is a former bandit. His movements cannot be traced and he appears unpredictably.
- Jiao Wenqi (焦文期; Jiāo Wénqī) is killed by Lu Feiqing. His fellows mistakenly think that the Red Flower Society is responsible for his death and start seeking vengeance on the society.
- Hahetai (哈合台; Hāhétái) is a former shepherd from Mongolia.
- Yan Shizhang (閻世章; Yán Shìzhāng) is killed by Huoqingtong.
- Yan Shikui (閻世魁; Yán Shìkuí) is Yan Shizhang's younger brother. He is killed by Huoqingtong when the Uyghur tribesmen and the Red Flower Society team up to attack the convoy and seize back the stolen Quran.