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 River (Fujian) (敖 江, Áo Jiāng) in Fujian, China
- 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, a grade within the United Kingdom'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 (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 atomic symbol for the misidentified chemical element Ausenium.
- 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
- 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
- Ao, 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)
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