Guo Huai is a minor character in the 14th-century Chinese classic novel Romance of the Three Kingdoms by the late Luo Guanzhong, and its multiple adaptations. He is one of the generals of Wei.
Guo Huai persuaded Cao Hong was not execute Zhang He after his devastating defeat at Wakou Pass, and then rallied the defeated forces following the death of Xiahou Yuan, which helped stabilize the Wei armies in the region. When Cao Pi ascended the throne, Guo Huai was appointed Senior Advisor Who Controls the West and later became Youzhou Prefect, Imperial Protector of Yong Province, as well as Lord of Sheting. Cao Zhen chose him as his Deputy Commander to counter the Shu invasion led by Zhuge Liang. Although he proposed ingenious tactics, they were repeatedly defeated against Zhuge Liang's armies. As a result of these defeats, Sima Yi took over as Commander-in-Chief and successfully repelled the Shu invasion, while Guo Huai also earned merit by defeating Wei Yan, Wang Ping and Gao Xiang's troops. and then occupying Liliu. Moreover, with Cao Zhen, they gave all the credit in the recovery of Nan'an, Tianshui and Anding districts.
Shortly there after, Guo Huai was assigned to Chang'an's defense with Zhang He, and during Zhuge Liang's second military campaign, he was repeatedly consulted by Cao Zhen and defended the city of Meicheng. During the third campaign, accompanied by Sun Li, he escaped an ambush of Zhuge Liang and joined Cao Zhen. During the fourth invasion, he was charged with defending the districts of Longxi and tried with Sun Li, but without success, to take the Saber Pass. Guo Huai was also active in Zhuge Liang's fifth military campaign when he commanded Longxi District forces and stationed in Beiyuan, and suffered a defeat to the Shu armies.
A few years later, he and Xiahou Ba with help Chen Tai to broke the coup d’État. Finally, he rejected Jiang Wei's first invasion of Wei successfully and was also active in the second when he changed the Qiang's allegiance. It is in this one that Guo Huai died who was hit by an arrow shot by Jiang Wei, while he was on the run.
- He is a playable character in the Dynasty Warriors series.