AMS

AMS or Ams may refer to:

Companies

 * Alenia Marconi Systems
 * American Management Systems
 * AMS (Advanced Music Systems)
 * ams AG, semiconductor manufacturer
 * AMS Pictures
 * Auxiliary Medical Services

Educational institutions

 * Arthur Morgan School, North Carolina, US
 * Hanoi – Amsterdam High School, Hanoi, Vietnam
 * Army Medical School, US
 * Academy of Military Science (People's Republic of China)
 * Academy of Military Science (United States)
 * Association of Muslim Schools, global
 * Antwerp Management School

Government agencies

 * Agricultural Marketing Service, US
 * Army Map Service, US, later National Geospatial-Intelligence Agency
 * Army Medical Services, UK

Societies and associations

 * Alma Mater Society of Queen's University, student society, Canada
 * Alma Mater Society of the University of British Columbia, student society, Canada
 * American Mathematical Society
 * American Meteor Society
 * American Meteorological Society
 * American Montessori Society
 * American Musicological Society
 * The Ancient Monuments Society, England and Wales
 * Association of Muslim Scholars

Other

 * Aboriginal Medical Service, an Indigenous Australian community-controlled health service in Sydney

Chemical substances

 * Sodium 2-anthraquinonesulfonate known as AMS
 * Ammonium sulfate, sometimes abbreviated as AMS
 * Allyl methyl sulfide
 * Alpha-methylstyrene, a chemical intermediate
 * Ammonium sulfamate, an herbicide

Chemistry and physics

 * Accelerator mass spectrometry
 * AMS radiocarbon dating
 * Aerosol mass spectrometry
 * Alpha Magnetic Spectrometer, AMS-02
 * Anisotropy of magnetic susceptibility

Medicine

 * Acute mountain sickness, a form of altitude sickness
 * Altered Mental Status, see Altered level of consciousness
 * Antimicrobial stewardship
 * Ablepharon macrostomia syndrome, an autosomal dominant genetic disorder

Software

 * Address Management System of the US Postal Service
 * Access Method Services
 * Application Maintenance Support (see Software Maintenance)
 * Association Management System

Technology

 * Analog and mixed-signal, as in Verilog-AMS and VHDL-AMS
 * Anti Missile Systems in missile defense
 * Automatic milking systems in dairy farming

Other uses

 * Acquisition Management System issued by the US Federal Aviation Administration
 * Additional Member System of voting
 * Alan Michael Sugar, British businessman, uses initials for enterprises such as Amstrad
 * American Samoa, UNDP code
 * AMS, group of characters in The House of the Dead (series)
 * Amsterdam (Amtrak station) in New York (Amtrak station code)
 * Amsterdam Airport Schiphol (IATA airport code)
 * Arbeitsmarktservice, Austrian employment agency
 * Atlanta Motor Speedway
 * Auto, Motor und Sport, a German automobile magazine
 * A US Navy hull classification symbol: Ocean minesweeper (AMS)