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Wang Su (195–256), courtesy name Ziyong, was an official and Confucian scholar of the state of Cao Wei during the Three Kingdoms period of China. He was a son of Wang Lang. When Guanqiu Jian started a rebellion in Shouchun, Wang Su advised Sima Shi to lower the rebels' morale by treating their families with respect. Following that, Wang Su entreated Cao Mao to allow Sima Zhao to succeed Sima Shi as regent of Wei.