LSA

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 (Latvijas Studentu apvienība)

Institutions

 * University of Michigan College of Literature, Science, and the Arts
 * 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)
 * Leaf Spring Army (LSA), A group of Youtube users that are subscribed to the channel The Enforcer.

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

 * 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