180s–210s), courtesy name Xianhe, was a Chinese politician serving under the warlord Liu Bei in the late Eastern Han dynasty of China.

Along with Mi Zhu, Sun Qian, and later Yi Ji, Jian's ideas were widely circulated in Liu's territories, which featured Confucius values and Han loyalist arguments, he greatly helped Liu Bei's image gaining creditably to the later's populist movement.

When Liu Bei was taking shelter in Jing Province, Jian Yong, along with Mi Zhu and Sun Qian, served as Assistant Officer of the Household (從事中郎) under him.

Liu Zhang agreed, and, with Jian Yong by his side, he rode out of the city in a chariot to surrender.

After occupying Yi Province and setting up his new base in Chengdu in 214, Liu Bei promoted Jian Yong to the position of General of Illustrious Virtue (昭德將軍).

When he attended banquets hosted by Zhuge Liang, he would occupy an entire couch, recline on a pillow, and speak to others in a relaxed position.