Empress Cao
# Empress Cao

Empress Cao may refer to:

## China

These empresses had the surname Cao (曹).

* Empress Cao (Han dynasty) (died 260), empress of the Han dynasty
* Empress Cao (Dou Jiande's wife) (fl. 621)
* Empress Cao (Huang Chao's wife) (died 884)
* Empress Dowager Cao (Li Cunxu's mother) (died 925), empress dowager of Later Tang
* Empress Cao (Li Siyuan's wife) (died 937), empress of Later Tang
* Empress Cao (Song dynasty) (1016–1079), empress of the Song dynasty

## Vietnam

These empresses received the posthumous name Empress Cao (Cao Hoàng hậu, 高皇后; "High Empress").

* Thừa Thiên (empress) (1762–1814), first wife of Emperor Gia Long
* Thuận Thiên (Nguyễn dynasty empress) (1769–1846), second wife of Emperor Gia Long
