AAS
Initialism of Australian Anthropological Society.
Proper noun
- Initialism of Australian Anthropological Society.
- Initialism of American Arachnological Society, a society of amateur and professional arachnologists.
- Initialism of American Astronautical Society, an independent scientific and technical group in the United States.
- Initialism of American Astronomical Society, a United States society of professional astronomers.
- Initialism of Australian Academy of Science, an independent, government-endorsed society with the aim of promoting science.
- Initialism of All-America Selections, an organization that promotes development of new garden seed varieties.
- Initialism of Air Ambulance Service, a UK charity.
- Initialism of Assyrian Aid Society.
- Initialism of American Anti-Slavery Society.
- Initialism of Ansar al-Sunna, or Jamaat Ansar al-Sunna, a militant group operating in Iraq.
- Initialism of American Association of Suicidology, an American nonprofit suicide prevention organization.
- Initialism of Association for Academic Surgery.
Noun
- Initialism of Advanced Automation System, a system for radar control of transoceanic air corridors.
- Initialism of angle-angle-side triangular congruency.
- Initialism of anabolic–androgenic steroid.
- Initialism of acute aortic syndrome.