AOS

AOS, Aos or AoS may refer to:

Military, police and government
 Armed Offenders Squad, branch of the New Zealand Police
 Armed Offenders Squad (Victoria), disbanded branch of Victoria Police
 Amook Bay Seaplane Base (IATA: AOS)
 Adjustment of status, immigration concept in the United States
 Airway Operational Support, a directorate of the US Federal Aviation Administration

Schools and education
 Academy of the Sierras, boarding schools devoted to weight loss
 The Alice Ottley School in Worcester, England
 AO Springfield School in Worcester, England
 Associate of Occupational Studies, a type of two-year college degree
 Annunciation Orthodox School, a Greek Orthodox private school in Houston, Texas
 Loudoun Academy of Science, part-time alternative school program for high school students enrolled in Loudoun County Public Schools

Science and academia
 Accessory olfactory system, sensory system often responsible for the detection of pheromones
 Accounting, Organizations and Society, an academic journal
 Acquisition of signal, in spacecraft communications
 Agricultural Ontology Service
 American Oriental Society, a learned society
 American Ornithological Society
 Angle of sideslip
 Apraxia of speech, an oral motor speech disorder
 Area of Search, geographical areas used in the selection of Sites of Special Scientific Interest in the UK
 Adams–Oliver syndrome, a rare congenital disorder

Popular culture
 Agents of S.H.I.E.L.D., a TV series on the ABC Network based on Marvel's fictional organization, S.H.I.E.L.D.
 Ace of Spades (video game)
 Ace of Spades HQ, blog
 Aeon of Strife, an early "multiplayer online battle arena (MOBA)"
 Age of Sail (computer game) and its sequel Age of Sail II
 Castlevania: Aria of Sorrow, a game in the Castlevania series for the Game Boy Advance
 Star Trek "Alternate Original Series", films created post-Enterprise
 "AOS" a song on Yoko Ono's 1970 album Plastic Ono Band featuring Ornette Coleman
 All-Out Sundays, a Philippine Sunday variety show on GMA Network

Technology
 Academic Operating System, IBM's version of 4.3 BSD Unix for the IBM RT
 Android on Steroids is an Android mod by YU Televentures.
 Algebraic Operating System, expression evaluation rules with operator priorities and infix notation, as used on many Texas Instruments calculators
 AmigaOS
 Apple Online Store, an online store of Apple Inc.
 Array of structures, interleaved data format
 Data General AOS, Data General's Advanced Operating System
 Bluebottle OS also known as Active Object System
 Fedora AOS (Appliance Operating System), a reduced-footprint spin of the Fedora project for use in software appliance system images
 Application Object Server, a service that controls all aspects of Microsoft Dynamics AX's operation

People
 Austin Osman Spare, English occultist, (1886–1956)

See also
 AO (disambiguation)
 OS (disambiguation)
 ADOS (disambiguation)
 Aeos (disambiguation)
 EOS (disambiguation)