Tây Vu Vương (chữ Hán: 西于王, Chinese: 西于王),[1] or the "King of Tây Vu" (fl.
111 BC), is the title attributed by some Vietnamese historians to the leader of a popular revolt in the Jiaozhi and Jiuzhen commanderies against the rule of the Chinese Western Han dynasty.
[2] Tây Vu Vương was the leader of the Tây Vu autonomous area of which the centre was Cổ Loa.
[3] Historian Trần Quốc Vượng saw the king as having established a fief or government at Cổ Loa.
[4][5] At the end of Han conquest of Nanyue, he was killed by his assistant Huang Tong (黄同; Hoàng Đồng).