Mu Zeng (, September 19, 1587 – September 9, 1646), also known as A-chai A-ssu in Nakhi, was the native chieftain of Lijiang between 1597 and 1623. He was born to Mu Qing () and Ashijia () and ascended the throne when he was ten years old. The chieftain was known for his literature and wrote many anthologies.《木氏宦谱》(木氏宗谱)，【清】木钟等编《中国西南古纳西王国》(The Ancient Nakhi Kingdom of Southwest China)，Joseph Rock 著，刘宗岳译，云南美术出版社，1999年4月出版，
In 1624, he announced his privacy and gave his position to his son, Mu Yi ().
Mu Zeng welcomed Xu Xiake when he came to Lijiang in 1640.
References
|-style="text-align: center; background: #FFE4E1;" |align="center" colspan="3"|Mu Zeng