| Acronym | Definition |
|---|
| AOS➣American Orchid Society |
| AOS➣Agents of S.H.I.E.L.D. (TV series) |
| AOS➣Ace of Spades (gaming) |
| AOS➣Adjustment of Status |
| AOS➣Area of Separation (US DoD) |
| AOS➣Art of Skateboarding (collecting) |
| AOS➣Alpha Olefin Sulfonate |
| AOS➣Acta Ophthalmologica Scandinavica (Wiley publication) |
| AOS➣Alabama Ornithological Society (est. 1952) |
| AOS➣Affidavit of Service (legal document) |
| AOS➣Area of Study |
| AOS➣All Optical Switch |
| AOS➣Add-on Software |
| AOS➣Apple Online Store |
| AOS➣Air Oil Separate |
| AOS➣Access Optimization Service |
| AOS➣Advanced Operating System |
| AOS➣Agent Oriented Software (various organizations) |
| AOS➣Associate of Occupational Studies |
| AOS➣A.O. Smith Corp. (Milwaukee, WI) |
| AOS➣Additional Optional Services (various organizations) |
| AOS➣Aerobics Oz Style (TV series; Australia) |
| AOS➣Administrative and Operational Support (various organizations) |
| AOS➣Acquisition Of Signal |
| AOS➣Acta Oceanologica Sinica (Chinese Society of Oceanography) |
| AOS➣American Oriental Society |
| AOS➣Apparent Opening Size (US standard sieve) |
| AOS➣Austin Osman Spare (artist) |
| AOS➣Aria of Sorrow (game) |
| AOS➣Administrative Office Systems (various organizations) |
| AOS➣Atmosphere Ocean System |
| AOS➣Attack on Sight (gaming) |
| AOS➣Administrative and Operational Services (various organizations) |
| AOS➣Area Of Specialization |
| AOS➣Apraxia of Speech |
| AOS➣Application Object Server |
| AOS➣Armed Offenders Squad (New Zealand) |
| AOS➣Add Or Subtract |
| AOS➣American Orthodontic Society |
| AOS➣Always On Server (Internet) |
| AOS➣Arrest on Sight (security) |
| AOS➣Australian Optical Society |
| AOS➣Austrian Outdoor Sports (fly fishing; Germany) |
| AOS➣American Otological Society |
| AOS➣Automated Office Systems (Bellcore) |
| AOS➣Alcatel Operating System |
| AOS➣Algebraic Operating System |
| AOS➣Adams-Oliver Syndrome |
| AOS➣Athabasca Oil Sands (crude oil deposits; Alberta, Canada) |
| AOS➣Axis of Symmetry |
| AOS➣Area of Service (Sprint) |
| AOS➣Arrived on Scene |
| AOS➣Appliance Operating System (minimal operating system) |
| AOS➣Alternate Operator Service |
| AOS➣Academic Orthopaedic Society |
| AOS➣Aeon of Strife (gaming) |
| AOS➣Army Organization Server (US Army) |
| AOS➣Associates of Science (degree) |
| AOS➣Agreement Of Sale |
| AOS➣Age d'Or Services (French: Golden Age Services) |
| AOS➣Acousto-Optic Spectrometer |
| AOS➣Average Order Size |
| AOS➣All Options Stink |
| AOS➣Air Operations Squadron |
| AOS➣Annual Operating Statement (various organizations) |
| AOS➣Add One and do not Skip |
| AOS➣Aviation Operation Specialist (US DoD) |
| AOS➣Advanced Orbiting System |
| AOS➣Automated Ordering System |
| AOS➣Actualités Odonto-Stomatologiques (French medical journal) |
| AOS➣Antibiotic Order Sheet (medications) |
| AOS➣Arquitectura Orientada a Servicios (Spanish: service-oriented architecture) |
| AOS➣Aerosol Observing System |
| AOS➣Add-On Stabilization |
| AOS➣Any Other Score |
| AOS➣Associate Opinion Survey |
| AOS➣Add On Sales |
| AOS➣Arrival on Site |
| AOS➣Army of Sin (game clan) |
| AOS➣Avionics Operating System |
| AOS➣Airborne Optical System |
| AOS➣Ages of Shadows (game) |
| AOS➣Airport Operations Specialist |
| AOS➣Age Old Saying |
| AOS➣Automated Operating System |
| AOS➣Airborne Optical Sensor |
| AOS➣Arithmetic Operating System |
| AOS➣Airlift Operations School |
| AOS➣Air Observer's School |
| AOS➣Alternate Option Selection |
| AOS➣Agent Online Services (extranet) |
| AOS➣Archaic of Styles (band) |
| AOS➣Atlantic Oceanographic Synopsis |
| AOS➣FAA Operational Support Service |
| AOS➣American Ostomy Supply (Waukesha, WI) |
| AOS➣Automated Observation System (US DoD) |
| AOS➣Acronym Overload Syndrome :-) |
| AOS➣Application Outsourcing Service |
| AOS➣Azimuth Orientation System |
| AOS➣Aurora Optical Switch (Tellium) |
| AOS➣Access Optimization Service (UUNET) |
| AOS➣Adaptive Order Statistic |
| AOS➣Airborne Optical Surveillance |
| AOS➣Aircraft on Station |
| AOS➣Automatic/Automatically Out of Service (Tandem & DSC) |
| AOS➣ATl Optical Summit (Sprint) |
| AOS➣Support Tankers |
| AOS➣Advanced Online Search |
| AOS➣Astronomiczne Obserwatorium Scerokosciowe (Borowcu, Poland Time Standard) |
| AOS➣Automated Observing Station |
| AOS➣Airport Operation System (airport management software) |
| AOS➣Application Ordering System (student financial aid) |
| AOS➣Aviators Oxygen System |
| AOS➣Alternate Observing Site |
| AOS➣Aircrew Oxygen System |
| AOS➣Activism Orientation Scale (Corning and Myers, 2002) |