AO

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AO, aO, Ao, or ao may refer to:

Places[edit]

  • Ao, or Aodu, capital of Shang dynasty, near Zhengzhou
  • Ao, Estonia, village in Väike-Maarja Parish, Lääne-Viru County, Estonia
  • Ao Line, commuter railway line in Hyōgo Prefecture, Japan
  • Ao River (Fujian) (敖 江, Áo Jiāng) in Fujian, China
  • Ao Station, railway station in the city of Ono, Hyōgo Prefecture, Japan
  • Angola (ISO 3166-1 alpha-2 code AO)

Arts and entertainment[edit]

Businesses and organizations[edit]

  • AO (originally American Optical Company) eyeglass lenses, a brand now merged with Carl Zeiss Vision
  • AO Foundation (originally Arbeitsgemeinschaft für Osteosynthesefragen), a non-profit organisation dedicated to the treatment of trauma and disorders of the musculoskeletal system
  • AO World, a UK retailer of household appliances trading under the brand name ao.com
  • Aktsionernoye Obschestvo or Aktsionernoye Obshchestvo (акционерное общество), a type of Russian corporate entity; see open joint-stock company
  • Athletics Ontario, formally Ontario Track and Field Association (OTAF)
  • Australian Airlines (IATA code AO)

Government and politics[edit]

Military[edit]

Philosophy and religion[edit]

Science and technology[edit]

Surnames and initials[edit]

  • Ao (surname) (), a Chinese surname
  • Ou (surname) (/ and /), romanized as Ao in Cantonese
  • Ao Omae (大前 粟生, Ōmae Ao, born 1992), Japanese fiction writer
  • Aaron Owens (born 1976), American streetball player

Other uses[edit]

See also[edit]