Zong Yu (c. 187 - 264[1]), courtesy name Deyan, was a military general and diplomat of the state of Shu Han during the Three Kingdoms period of China.
[2] Zong Yu was born in the late Eastern Han dynasty in Anzhong County (安眾縣), Nanyang Commandery (南陽郡), which is around present-day Dengzhou, Henan.
[6] In the early Jianxing era (223–237) of Liu Shan's reign, Zhuge Liang, the Imperial Chancellor of Shu, appointed Zong Yu as his Registrar (主簿) and later made him an Army Adviser (參軍) and Right General of the Household (右中郎將).
When the Shu government received intelligence of the increased Wu military presence at Baqiu, they immediately strengthened their defences at Yong'an (永安; present-day Fengjie County, Chongqing) near the Wu–Shu border to prepare for unforeseen circumstances.
Among the Shu diplomats who visited Wu, Zong Yu was second only to Deng Zhi and Fei Yi in terms of how highly Sun Quan favoured and regarded him.
Before he left, Sun Quan held his hand and tearfully told him: "For many years, you have undertaken the task of strengthening ties between our two states.
"[18] Deng Zhi's colleagues, including his superior General-in-Chief Fei Yi, tended to give in to his arrogant and condescending attitude.
[19] After he returned from his last diplomatic trip to Wu, Zong Yu was promoted to General of the Rear (後將軍) and put in charge of guarding Yong'an (永安; present-day Fengjie County, Chongqing) near the Wu–Shu border.
[26] In the following year, Zong Yu and Liao Hua received orders to relocate to the Wei imperial capital Luoyang but they died from illness during the journey.