Murong Yong (died 394), courtesy name Shuming, is the last emperor of the Chinese/Xianbei state Western Yan.

He is the grandson of Murong Yun, the uncle of Former Yan's founder Murong Huang.

As a member of Former Yan's imperial clan, he is moved to Guanzhong, Former Qin's capital region, when Former Qin destroys Former Yan in 370.

He is described as poor, and he and his wife make their living by selling boots.