Murong Yong (Chinese: 慕容永; died 394), courtesy name Shuming (叔明), was the last emperor of the Xianbei-led Chinese Western Yan dynasty. He was the grandson of Murong Yun (慕容運), the uncle of Former Yan's founder Murong Huang. As a member of Former Yan's imperial clan, he was moved to Guanzhong, Former Qin's capital region, when Former Qin destroyed Former Yan in 370. He was described as poor, and he and his wife made their living by selling boots.