Lü Ju (died 12 November 256),[a]courtesy nameShiyi, was a military general of the state of Eastern Wu during the Three Kingdoms period of China. He was the second son of Lü Fan, a general who served under Sun Quan, the founding emperor of Wu. In 252, following Sun Quan's death, Wu's rival state, Wei, sent an army to invade Wu, leading to the Battle of Dongxing. Lü Ju participated in the battle alongside the Wu regent Zhuge Ke and general Ding Feng, and defeated the enemy. In 256, he got into conflict with the Wu regent Sun Chen and committed suicide after being cornered by the latter's forces.
^ abSun Liang's biography in the Sanguozhi recorded that Lü Ju was captured and executed on the xinhai day of the 10th month of the 1st year of the Taiping era of Sun Liang's reign.[1] This date corresponds to 12 November 256 in the Gregorian calendar.