Schools

• Abbey Vocational School
  Abbey Vocational School
  The Abbey Vocational School is a non-denominational vocational secondary school situated in Donegal Town, County Donegal. It has approximately 800 students, and is the largest school run by the Donegal Vocational Education Committee...
  
  , a secondary school in County Donegal, Ireland
• Abbotsford Virtual School
  Abbotsford Virtual School
  Abbotsford Virtual School is a Distributed Learning school, located in Abbotsford, British Columbia, that provides collaborative educational programs for Kindergarten to Grade 12 students and any BC resident wanting to complete courses to graduate...
  
  , a British Columbia Distributed Learning School
• Amman Valley School, a bilingual (Welsh and English) secondary school in Wales

Science

• American Vacuum Society
  American Vacuum Society
  AVS: Science and Technology of Materials, Interfaces, and Processing is a not-for-profit learned society founded in 1953. AVS is a member society of the American Institute of Physics. AVS has approximately 5000 members worldwide from academia, governmental laboratories and industry...
  
  , a member society of the American Institute of Physics
• Angle of Vanishing Stability, the angle at which a boat will capsize

Audio video

• Audio Video Standard
  Audio Video Standard
  Audio Video Standard is a compression standard for digital audio and video, and is competing with H.264/AAC to potentially replace MPEG-2. Chinese companies own 90% of AVS patents. The audio and video files have an .avs extension as a container format.-Overview:Development of AVS was initiated by...
  
  , a Chinese multimedia standard
• Audio-video stimulation, a controversial princip of the called Mind machine
  Mind machine
  A mind machine uses pulsing rhythmic sound and/or flashing light to alter the brainwave frequency of the user...
  
  , or psychowalkman

Software

• Advanced Visualization Studio
  Advanced Visualization Studio
  Advanced Visualization Studio , is a music visualization plugin for Winamp. It was designed by Winamp's creator, Justin Frankel. AVS has a customizable design which allows users to create their own visualization effects, or "presets". AVS was made open source software in May 2005, released under a...
  
  , a music visualization plugin for Winamp
• AOL Active Virus Shield
  AOL Active Virus Shield
  AOL Active Virus Shield was a free antivirus utility made available by AOL. Its engine was based on the one used by Kaspersky Anti-Virus. The program is no longer available.-Features:...
  
  , a discontinued free antivirus utility made available by AOL
• AviSynth
  AviSynth
  AviSynth is a frameserver program for Microsoft Windows developed by Ben Rudiak-Gould, Edwin van Eggelen, Klaus Post, Richard Berg, Ian Brabham and others. It is free software under GNU GPL license.-Scripting video editor:...
  
  , a script-based frameserver

Verification systems

• Address Verification System
  Address Verification System
  This is credit card address verification. Were you looking for POSTAL Address Verification?The Address Verification System is a system used to verify the address of a person claiming to own a credit card. The system will check the billing address of the credit card provided by the user with the...
  
  , a security measure in credit card processing
• Adult Verification System
  Adult Verification System
  An Adult Verification System also known as an "Age Gate" is a computing system used by a website to confirm that the user attempting to access their website is of the age required to view the website's content, which typically includes sex, nudity, violence or profanity, or Entertainment Software...
  
  , a system used by websites to confirm that someone accessing their site is of the age of majority

Other uses

• A Vampyre Story
  A Vampyre Story
  A Vampyre Story is a 2008 point-and-click adventure game developed by Autumn Moon Entertainment for Windows, published by Crimson Cow. The game is set in Europe during the 1890s, and follows a young female opera singer turned vampire as she attempts to make the journey back home to Paris in search...
  
  , the 2007 Autumn Moon Entertainment adventure game
• Atharvaveda
  Atharvaveda
  The Atharvaveda is a sacred text of Hinduism and one of the four Vedas, often called the "fourth Veda"....
  
  , aka Atharvaveda-Shaunakiya, a sacred Hindu text
• AVS (comedian), Telugu comedian
• Nintendo Advanced Video System, or AVS, the original name for the Nintendo Entertainment System
  Nintendo Entertainment System
  The Nintendo Entertainment System is an 8-bit video game console that was released by Nintendo in North America during 1985, in Europe during 1986 and Australia in 1987...
  
  
• Association of Veterinary Students