AO

Look up ao in Wiktionary, the free dictionary.

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

Places

• 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

• Adults Only, an entertainment rating
• AO Music (AOmusic), a world-music fusion group consisting of Jay Oliver, Miriam Stockley and others
• Ao: The Last Hunter, a 2010 prehistoric drama movie
• Eureka Seven: AO
  , Japanese mecha anime television series
• Lord Ao
  , a fictional deity in the Dungeons & Dragons universe
• Annoying Orange, an American comedy web series

Businesses and organizations

• 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

• Administrative Office of the United States Courts
• Administrative Officer (United Kingdom)
  , a grade within the United Kingdom's Civil Service
• Administrative Officer (Hong Kong), a grade within the Hong Kong's Civil Service
• Autonomous oblast, type of Russian administrative division
• Autonomous okrug
  , type of Russian administrative division
• NSDAP/AO
  , Foreign Organization branch of the Nazi Party
• Officer of the Order of Australia
  , postnominal AO

Military

• Area of operations, a U.S. military term
• A US Navy hull classification symbol: Fleet oiler (AO)
• AO-, the prefix for several firearms
• Aviation Ordnanceman
  , a United States Navy occupational rating

Philosophy and religion

• Alpha and Omega (abbreviation)
• Ao (Māori mythology), a deity in Māori mythology
• Ao (turtle), a creature in Chinese mythology
• Ao, a type of Easter Island wood carving

Science and technology

• .ao, top-level Internet domain code for Angola
• Adaptive optics, an astronomical imaging technology
• Ambient occlusion, a shading method in computer graphics
• AMSAT-OSCAR, a satellite naming convention
• Applied Optics, scientific journal published by the Optical Society of America (OSA)
• Arctic oscillation, a climate pattern
• Atomic orbital, in physics and chemistry
• Ao, the
  Ausenium
  .
• Acridine orange, a fluorescent dye
• Authorship obfuscation
  , a privacy technique

Surnames and initials

• Ao (surname) (敖), a Chinese surname
• Ou (surname) (区/區 and 欧/歐), 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

• Alphabetically ordered
• Ao (color)
• Ao (digraph)
• Ao languages
• Ao Naga, an Indian ethnic group
• ao or außerordentlicher, meaning extraordinary professor (academic rank in Germany)
• Australian Open, an annual tennis tournament in Melbourne, Australia
• A^o, an abbreviation of "Anno", meaning "In the year" (as in Anno Domini)
• Te Ao Māori
  (literally "The Māori world"), Māori cultures and traditions

See also

• Alpha and Omega (disambiguation)
• All pages with titles beginning with AO
• All pages with titles containing AO
• A0 (disambiguation)

This disambiguation page lists articles associated with the title AO.
If an internal link led you here, you may wish to change the link to point directly to the intended article.