Aas or AAS may refer to:
Arts and media A.a.s (art group), a British-based art collective Aas (TV series), a Pakistani television series Abandon All Ships, a band from Toronto, Ontario Austin American-Statesman, a Texas newspaper Australian Aboriginal Studies, an Australian academic journal
Businesses and organizations Academic and professional associations African Academy of Sciences, an Africa-wide scientific organization American Antiquarian Society, an American society and national research library American Arachnological Society, a society of amateur and professional arachnologists American Association of Suicidology, an American nonprofit suicide prevention organization American Astronautical Society, an independent scientific and technical group in the US American Astronomical Society, a US society of professional astronomers Association for Academic Surgery Association for Asian Studies, a scholarly professional association focusing on Asia and the study of Asia Assyrian Academic Society Australian Academy of Science, an independent, government-endorsed society with the aim of promoting science Australian Anthropological Society
Other organizations Air Ambulance Service, a UK charity Alcatel Alenia Space, an aerospace company; now Thales Alenia Space All-America Selections, an organization that promotes development of new garden seed varieties American Anti-Slavery Society Anglo-American School of Moscow Anglo-American School of Sofia Anglo American Sur, a copper mining company based in Chile Ansar al-Sunna, or Jamaat Ansar al-Sunna, a militant group operating in Iraq Arnold Air Society, a professional honorary service organization for US Air Force officer candidates Assyrian Aid Society, an Iraqi organization of the Assyrian Democratic Movement Ateliers Aéronautiques de Suresnes, a defunct French aircraft manufacturing company Austrian Air Services, a defunct airline from Austria (ICAO designator)
Places Aas, Pyrénées-Atlantiques, a village in France Apalapsili Airport in Highland Papua Province, Indonesia (IATA airport code AAS) Taylor County Airport (Kentucky), Campbellsville, US, FAA LID
Science, mathematics, and technology Medicine Acute aortic syndrome Anabolic–androgenic steroids, or simply anabolic steroids
Other uses in science, mathematics, and technology Asymptotically almost surely Angle-Angle-Side; see congruence (geometry) Armed Aerial Scout, a U.S. Army replacement program for the OH-58 Kiowa Atomic absorption spectroscopy, for quantitative determination of chemical elements ASCII Adjust after Subtraction, one of the x86 Intel BCD opcodes Sony Auto-lock Accessory Shoe, on cameras
Other uses Aas (surname), people with the surname Aas Acta Apostolicae Sedis, the commentary of the Vatican As a service, a business model Asa language, an extinct language of Tanzania, ISO 639-3 code Associate of Applied Science, a college degree Audit and Assurance Standards issued by ICAI, the Institute of Chartered Accountants of India Eyeish, a Native American tribe