AMS or Ams may refer to:

Organizations

Companies

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

Educational institutions

  • Arthur Morgan School, North Carolina, US
  • 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
  • Angola Middle 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

Science and technology

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
  • Acute muscle soreness
  • 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
  • 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
  • Amsterdam Airport Schiphol (IATA airport code)
  • Arbeitsmarktservice, an Austrian employment agency
  • Atlanta Motor Speedway
  • Auto, Motor und Sport, a German automobile magazine
  • Ocean minesweeper (AMS), a US Navy hull classification symbol
  • AMS, UNDP code for American Samoa
  • AMS, group of characters in The House of the Dead (series)
  • AMS, Amtrak station code for Amsterdam (Amtrak station) in New York
  • Automatic Material System, a proprietary accessory for Bambu Lab 3D printers