Cao

Cao may refer to:

Name

• Cao (Chinese surname) (曹)
• Cao (Vietnamese surname)

Place

• 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

Person

• 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

Others

• 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:

• CaO, the chemical formula for Calcium oxide
• Chlorophyllide-a oxygenase, an enzyme

and CAO may refer to:

Job titles

• 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

Software

• CAO (Controller Access Object), as described in the ORiN robot interface