ALS, or amyotrophic lateral sclerosis, is a rare neurodegenerative disease.

ALS, als, Als, or ALs may also refer to:

Places

  • Als (island), Denmark

Aviation

  • Airman Leadership School, a U.S. Air Force program
  • ALS – Aircraft Leasing Services, a Kenyan airline
  • Approach lighting system, an airport runway lighting system
  • San Luis Valley Regional Airport (IATA code: ALS)

Medicine

  • Advanced life support, a level of medical training
  • Anterolateral system, a part of the nervous system
  • Antibodies from lymphocyte secretions, an immunological assay
  • Angular leaf spot, a bacterial plant disease

Science and technology

  • Acetolactate synthase, an enzyme
  • Advanced Light Source, a synchrotron radiation facility
  • ALSN, or automatic train signalling (автоматична локомотивна сигналізація), a train protection system
  • Alternate line service, a mobile phone feature
  • Aluminized steel, as used in engineering drawings
  • Ammonium lauryl sulfate, a household chemical
  • Antilag system, a system used on turbocharged engines
  • Audio Lossless Coding, an audio codec
  • Advanced low-power Schottky, a type of transistor–transistor logic
  • Photodetector, ambient light sensor
  • Alternating least squares, a matrix factorization method

Organizations

  • Als, a nickname used for the Montreal Alouettes of the Canadian Football League
  • ALS Association, an American nonprofit organization
  • American Littoral Society, an American environmental organization
  • Antar Lintas Sumatera, an Indonesian intercity bus company
  • Arrowhead Library System (Wisconsin), American public libraries
  • Australian Linguistic Society, an Australian academic association
  • Associated London Scripts, a comedy-writers collective founded by Spike Milligan

Other uses

  • ALS Gold Medal, a literary prize awarded by the Association for the Study of Australian Literature
  • A. Lange & Söhne, a German luxury watch brand
  • Alternative Learning System (Philippines), a modular non-formal education program
  • Associate of the Linnean Society of London, a learned society for the study and dissemination of taxonomy and natural history
  • Auld Lang Syne, a traditional Scottish folk song
  • Autographed Letter Signed, a term used in autograph colleting
  • Singapore Area Licensing Scheme, a road pricing scheme in Singapore
  • Tosk Albanian language (ISO 639-3 code: als)

See also