Xun You (Chinese: 荀攸) is a character in the 14th-century Chinese classic novel Romance of the Three Kingdoms by the late Luo Guanzhong, and its multiple adaptations. He is an advisor of Wei who served under the warlord Cao Cao.
Xun You is appointed as a Gentleman of the Yellow Gate in the imperial capital, Luoyang. Later that year, He Jin is assassinated by the eunuch faction led by the Ten Attendants. The warlord Dong Zhuo took advantage of the ensuing political turmoil to hijack and control the central government. After Dong Zhuo's death, Cao Cao welcome the emperor into Xudu, Xun You became the military division of Cao Cao. When Cao Cao conquered Lu Bu, he dissuaded Cao Cao to retreat, dedicated to the flooding in the city of Xiapi and executed Lu Bu. During the Battle of Guandu, Yuan Shao first sent his minion Yan Liang to attack Baima, Cao Cao personally lead the armies to save Baima and Wen Chou showed up to abuse them.
When the armies were moving forward, Xun You believed that he could not confront the powerful enemy with great disparity. But he analyzed the situation at the time and put forward the strategy of fighting the West and protected Baima. They are believes that Yuan Shao has many troops and should try to disperse his forces. Xun You advised Cao Cao to lead the troops to Yanjin, pretending to cross the river to defeated Yuan Shao, so that most of Yuan Shao's soldiers should fight west and send a light horse to against Yuan Shao's army who attacked Baima. Attacked was not prepared, but it can certainly defeated Yan Liang. Cao Cao listened to his words and felt that it was very reasonable, just followed the plan and Yuan Shao really divided Yanjin.
Cao Cao mentioned that this opportunity led to a light ride on Baima, Xun You dedicated to the West, Yan Liang and Wen Chou are not prepared for it and killed by Guan Yu. In some case, Xun You also planned the soldiers and remain his own chance, even if he sent Xu Huang to burn Yuan Shao's grain and grass. At the same time, Cao Cao accepted Xu You, painted the Wuchao and made great contributions. During the period of peace in Hebei, Xun You against the troops, advocated Cao Cao to eliminate Yuan Shao's sons and curated by Cao Cao in Marquis of Lingshu Village. Xun You was careful and low-key and was widely praised by Cao Cao, maybe he can get rid of other independence. But later on, Xun You died of illness.
- He is a playable character in the Dynasty Warriors series.