AO, aO, Ao, or ao may refer to:
Arts and entertainment
* Adults Only, an
entertainment rating
* AO Music (AOmusic), a world-music fusion group consisting of
Jay Oliver
Jay Russell Oliver (born April 26, 1959) is an American jazz musician (piano, keyboards and synths), composer, record producer, programmer and engineer. He began his professional music career at the age of 19 as the youngest member of Maynard Fer ...
,
Miriam Stockley
Miriam Arlene Stockley (born 15 April 1962) is a British singer. She was born in Johannesburg, South Africa, and her work is influenced by the African music of her home country. Her distinctive '' vocalise'' style gained international acclaim whe ...
and others
*
Ao: The Last Hunter, a 2010 prehistoric drama movie
* ''
Eureka Seven: AO'', Japanese mecha anime television series
*
Lord Ao
''Forgotten Realms'' is a campaign setting for the '' Dungeons & Dragons'' (''D&D'') fantasy role-playing game. Commonly referred to by players and game designers alike as "The Realms", it was created by game designer Ed Greenwood around 1967 as ...
, a fictional deity in the ''Dungeons & Dragons'' universe
*
Annoying Orange
''Annoying Orange'' is an American live-action/animated comedy web series created by Dane Boedigheimer (known online as DaneBoe). The series follows an anthropomorphic orange who annoys fruits, vegetables, and various other objects by telling ...
, 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
The AO Foundation is a nonprofit organization dedicated to improving the care of patients with musculoskeletal injuries or pathologies and their sequelae through research, development, and education of surgeons and operating room personnel. The AO ...
(originally ), a non-profit organisation dedicated to the treatment of trauma and disorders of the musculoskeletal system
*
AO World
AO World is an electrical retailer based in Bolton, England. It operates in the United Kingdom (ao.com), and previously operated in Germany (ao.de) and the Netherlands (ao.nl), specialising in household appliances and electricals. It is listed o ...
, a UK retailer of household appliances trading under the brand name ao.com
* or (), a type of Russian corporate entity; see
open joint-stock company
*
Athletics Ontario Athletics Ontario is the governing body of track and field in Ontario, Canada. Athletics Ontario was founded in 1974 under the name Ontario Track and Field Association to replace several regional bodies under Athletics Canada. In 2008 its name was ...
, formally Ontario Track and Field Association (OTAF)
*
Australian Airlines
Australian Airlines was a full-service airline based in Australia, servicing Australian and Asian destinations between 2002 and 2006. It was an all-economy, full-service international leisure carrier, and was a wholly owned subsidiary of Qan ...
(IATA code AO)
Government and politics
*
Administrative Office of the United States Courts
The Administrative Office of the United States Courts (AO) is the administrative agency of the United States federal court system, established in 1939. The central support entity for the federal judicial branch, the AO provides a wide range of l ...
*
Administrative Officer, a grade within the United Kingdom's Civil Service
*
Angola
, national_anthem = "Angola Avante"()
, image_map =
, map_caption =
, capital = Luanda
, religion =
, religion_year = 2020
, religion_ref =
, coordina ...
(ISO code and NATO country code AO)
*
Autonomous oblast, type of Russian administrative division
*
Autonomous okrug
Autonomous okrugs ( rus, автономный округ, ''avtonomnyy okrug''; more correctly referred to as "autonomous districts" or "autonomous areas") are a type of federal subject of the Russian Federation and simultaneously an administrati ...
, type of Russian administrative division
*
NSDAP/AO, Foreign Organization branch of the Nazi Party
*
Officer of the Order of Australia
The Order of Australia is an honour that recognises Australian citizens and other persons for outstanding achievement and service. It was established on 14 February 1975 by Elizabeth II, Queen of Australia, on the advice of the Australian Gov ...
, postnominal AO
Military
*