Cao or CAO may refer to:

Mythology edit

Companies or organizations edit

Job titles edit

Names edit

People edit

Places edit

  • Cao (state), a Chinese vassal state of the Zhou Dynasty (1046 - 221 BCE)
  • Cao County, Shandong, China
  • Cao Wei, also called Wei, one of the regimes that competed for control of China during the Three Kingdoms period (220 - 280 CE)

Other uses edit