A retired emperor or emperor emeritus, in East Asia, is an emperor who is no longer in power. It may be used as a title.
It may refer to:
Taishang Huang, China
Daijō Tennō, Jōkō, or Emperor Emeritus, Japan
Akihito, abdicated 2019
Taesangwang, Korea
Thái thượng hoàng, Vietnam