# 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)

## 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