Kuai Liang ( 190s–200s), courtesy name Zirou, was an adviser to the warlord Liu Biao during the late Eastern Han dynasty of China. He was from Zhonglu County, Nan Commandery, which is located southwest of present-day Xiangyang, Hubei. He had a younger brother, Kuai Yue,Kuai Liang and Kuai Yue being brothers was from Romance of the Three Kingdoms; historical sources did not indicate their exact relationship. and a son Kuai Jun (蒯钧) who had a stint as Administrator of Nanyang. Kuai Jun's daughter later married Sun Xiu, grandson of Sun Kuang.(孙秀降晋，晋武帝厚存宠之，妻以姨妹蒯氏，.....〈《晋阳秋》曰：“蒯氏，襄阳人，祖良，吏部尚书。父钧，南阳太守。”〉) Shishuo Xinyu, vol.35, with annotation from Jin Yang Qiu.
In Romance of the Three Kingdoms In the 14th-century historical novel Romance of the Three Kingdoms, Kuai Liang comes up with a plan to defeat Sun Jian at the Battle of Xiangyang in 191. He suggests to Huang Zu to retreat and lure Sun Jian to Xianshan (), where Sun Jian is killed by Huang Zu's archers lying in ambush.
See also Lists of people of the Three Kingdoms
References
Chen, Shou (3rd century). Records of the Three Kingdoms (Sanguozhi). Luo, Guanzhong (14th century). Romance of the Three Kingdoms (Sanguo Yanyi). Pei, Songzhi (5th century). Annotated Records of the Three Kingdoms (Sanguozhi zhu).