Cao may refer to:
- Cao (state), a Chinese vassal state of the Zhou Dynasty (1046 - 221 BCE)
- Cao Wei, also called Wei, one of the regimes that competed for control of China during the Three Kingdoms period (220 - 280 CE)
- Cao County, in Shandong, China
- Cao Cao, founder of Cao Wei
- Diogo Cão, a 15th-century Portuguese explorer
- Lady of Cao, a Moche mummy
- Joseph Cao, representative for Louisiana's 2nd congressional district, elected 2008
- Cão!, an album by Portuguese band Ornatos Violeta
- CA Osasuna, a Spanish sport club.
- Alejandro Cao de Benós de Les y Pérez, an advocate of the Democratic People's Republic of Korea.
while CaO may refer to:
and CAO may refer to:
- Cold air outbreak, an intense and/or prolonged cold wave
- Chief administrative officer of a company
- Chief accounting officer of a company
- Chief Academic Officer of a University, often titled the Provost
- Chief analytics officer of a company
- Cultural Affairs Officer of the U.S. State Department's Public Diplomacy track
- Compliance Advisor/Ombudsman, an independent officer or office that reviews complaints, in some organisations including the World Bank affected by development projects undertaken
- Customs Administrative Order
Companies or organizations
- Air China Cargo, ICAO airline designator CAO
- CA Oradea, Romanian football club
- Canadian Association of Orthodontists
- Central Allocation Office, cross border electricity transmission capacity auction office
- Central Applications Office, Irish organisation that oversees college applications
- Civil Aviation Office of Poland
- Iran Civil Aviation Organization
- Office of the Compliance Advisor/Ombudsman
|This disambiguation page lists articles associated with the title Cao.
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