Emperor Wu or the Wu Emperor (, lit."The Martial Emperor") is the posthumous name of numerous Chinese rulers:

• Emperor Wu of Han (15687 BC), emperor of the Han dynasty

• Emperor Wu of Wei (AD 155220), a posthumous name of Cao Cao

• Emperor Wu of Jin (236–290), first emperor of the Jin dynasty

• Emperor Wu of Song (363–422), founding emperor of the Chinese dynasty Liu Song

• Emperor Wu of Southern Qi (440–493), emperor of the Chinese Southern Qi Dynasty

• Emperor Wu of Liang (464–549), founding emperor of the Liang Dynasty of Chinese history

• Emperor Wu of Chen (503–559), first emperor of the Chen dynasty of China

• Emperor Wu of Northern Zhou (543–578), an emperor of the Xianbei dynasty Northern Zhou

• Empress Wu Zetian (625705), from her actual surname rather than a posthumous epithet

Emperor of Wu () may refer to:

• Li Zitong (died 622), agrarian rebel during the Sui–Tang interregnum

• Emperor Wu of Triệu (240 - 137 BC), emperor of the Triệu dynasty, but later change to King

See also

• Wudi (disambiguation)

• Wu Di (disambiguation)

• Wu (disambiguation)