OAS

OAS or Oas may refer to:

O-Acetylserine, an amino-acid involved in cysteine synthesis
Oas, Albay, a municipality in the Philippines
OAS1, OAS2, OAS3, the anti-viral enzymes oligoadenylate synthetase and the human genes that encode them
The Odd Angry Shot, an Australian film
Office of Aviation Services, an agency of the United States Department of the Interior
Ohio Auction School, an auction school in Ohio, USA
Old Age Security, a social security payment available to most Canadians aged 65 or older
Ontario Archaeological Society, an organization promoting archaeology within the Province of Ontario, Canada
Open-Architecture-System, the main user interface of Wersi musical keyboards
Option-adjusted spread, the yield-curve spread of a fixed-income security, adjusted for the cost of embedded options
Oracle Application Server, an integrated, standards-based software platform
Oral allergy syndrome, a food-related allergic reaction in the mouth
Organisation de l'armée secrète, a French dissident paramilitary organisation during the Algerian War (1954–62)
Organization of American States, an international organization of the Americas

See also