LSA or Lsa is an acronym standing for:

Education and academia

  • Licence of the Society of Apothecaries
  • Light: Science & Applications, a scientific journal
  • Student Union of Latvia ()

Institutions

  • College of Literature, Science, and the Arts at the University of Michigan
  • University of Liverpool School of Architecture, England, UK
  • La Salle Academy, a Catholic, all-boys high school in New York
  • Lakshmipat Singhania Academy, a non-profit school group in India

Military

  • Light Small Arms
  • Logistics Support Analysis, a military support planning methodology
  • Logistics Support Area, a large military depot
  • London Small Arms Co. Ltd, an English gun-making firm between 1866 and 1935
  • Lubricant, Semi-fluid, Automatic Weapons, MIL-L-46000

Organizations

  • Law and Society Association
  • Law Society of Alberta
  • League for Socialist Action, a Canadian political group active in the 1960s and 70s
  • Learn and Serve America, a U.S. government community service program
  • Licentiate of the Society of Apothecaries
  • Linguistic Society of America
  • Lithuanian Space Association, Lithuania's space agency
  • Luxembourg Space Agency, national space agency of the Grand-Duchy of Luxembourg
  • Local Spiritual Assembly, an administrative body of the Bahá'í Faith
  • Lone Scouts of America, an independent Scouting organization that merged into the Boy Scouts of America
  • Lone Star Alliance, lacrosse-only athletic conference
  • Lutheran Services in America, the largest network of human service organizations in the United States
  • Student Union of Latvia (Latvijas Studentu apvienība)

Places

  • London Stansted Airport
  • Lytham St. Annes, seaside town in Lancashire, England
  • LSA, IATA airport code of Losuia Airport in Papua New Guinea

Science and technology

  • Late Stone Age
  • Least squares adjustment
  • Anterolateral central arteries of the brain
  • Lichen sclerosus et atrophicus, a skin disease
  • Light-sport aircraft
  • Lobe Separation Angle, see cam
  • Lsa, the abbreviation for the orchid genus Luisia
  • Lysergic acid amide (ergine), a compound closely related to LSD
  • Lötfrei, schraubfrei, abisolierfrei, an insulation-displacement connector for telecommunications
  • Liver stage antigen, a set of peptides
  • Low specific activity, radioactive substances produced by oil and gas production installations. Also referred to as NORM, naturally occurring radioactive material

Computing

  • Latent semantic analysis, a technique in natural language processing
  • Link-state advertisement, communication mechanism of the OSPF routing protocol for IP
  • Local Security Authority Subsystem Service (Local Security Authority), the centre of the Windows NT security subsystem (lsass.exe)
  • License and Services Agreement

Other uses

  • Argentine Sign Language (Spanish: Lengua de señas argentina), a sign language used in Argentina
  • Lighting & Sound America, an entertainment technology magazine published by PLASA Media Inc
  • Linseed Sunflower Almond, a health food that is a ground mixture of these three seeds
  • Limited symptom attack, a milder form of panic attack, with fewer than four panic-related symptoms
  • Life-saving appliance, the multitude of devices designed for saving lifes typically found on a ship. Ranging from e.g. rescue boat to SART

See also

  • ISA (disambiguation)