| Acronym | Definition |
|---|
| LSA➣Light Sport Aircraft |
| LSA➣Link State Advertisements |
| LSA➣Literature, Science, and the Arts (university) |
| LSA➣Latent Semantic Analysis |
| LSA➣Landes Sachsen Anhalt (German state) |
| LSA➣Linguistic Society of America |
| LSA➣Local Security Authority (Windows NT) |
| LSA➣Learning Support Assistant |
| LSA➣Legal Services Agency |
| LSA➣Light Sport Aviation (various companies) |
| LSA➣Language Study Abroad (various schools) |
| LSA➣Link State Acknowledgment (computing) |
| LSA➣Lobe Separation Angle (automotive design) |
| LSA➣Linux System Administrator (computer job) |
| LSA➣Logisltics Support Area (US Air Force) |
| LSA➣Link State Advertisement |
| LSA➣Linux System Administrator |
| LSA➣Local Store Address |
| LSA➣Local Security Authority |
| LSA➣Link State Announcement |
| LSA➣Lone Star Alliance (lacrosse conference) |
| LSA➣Lateral Surface Area (mathematics) |
| LSA➣Logistics Support Activity |
| LSA➣Long Service Award (various orgaizations) |
| LSA➣Low Specific Activity |
| LSA➣Law and Society Association (Amherst, MA) |
| LSA➣Logistics Support Analysis |
| LSA➣Link-State Algorithm |
| LSA➣Life Saving Appliance(s) |
| LSA➣Logistics Support Area |
| LSA➣Legal Sector Alliance (climate change) |
| LSA➣Labor Surplus Area |
| LSA➣Lysergic Acid Amide (alkaloid with a chemical structure similar to LSD) |
| LSA➣Local Spiritual Assembly (Institution of the Baha'i Faith) |
| LSA➣Life Support Area |
| LSA➣Life Science Angels (investing) |
| LSA➣Lichen Sclerosus et Atrophicus |
| LSA➣Lymphosarcoma (cancer of the lymphatic system) |
| LSA➣Legal Secretaries Association (various locations) |
| LSA➣Lead State Agency |
| LSA➣Late Stone Age |
| LSA➣Lifetime Savings Account |
| LSA➣List of Sections Affected |
| LSA➣Low Speed Access |
| LSA➣Liquid Solar Array (Sunengy Pty. Ltd.; Australia) |
| LSA➣Logistics Supportability Analysis |
| LSA➣Laser Surface Authentication |
| LSA➣Local Service Area |
| LSA➣Leukemia Society of America |
| LSA➣d-Lysergic Acid Amide |
| LSA➣Logistics Staging Area |
| LSA➣Limbic Stress Assessment |
| LSA➣Lead Sheet Association (UK) |
| LSA➣Log-Structured Array (computing) |
| LSA➣Lubricant, Small Arms |
| LSA➣La Salle Academy (Iligan City, Philippines) |
| LSA➣Laser Spike Annealing (semiconductor process supported by Ultratech) |
| LSA➣Lead Standardization Activity |
| LSA➣Line Sharing Adapter |
| LSA➣Layered Scalable Architecture |
| LSA➣Launch Services Agreement |
| LSA➣Linux Standards Association |
| LSA➣Logic State Analyzer |
| LSA➣Lilly Software Associates, Inc. |
| LSA➣Lotus Solution Architecture |
| LSA➣LaSalle Academy (various locations) |
| LSA➣Local Security Administrator |
| LSA➣Louisiana Statutes Annotated |
| LSA➣Lateral Speed and Agility |
| LSA➣Life Science and Analytical Systems (Bruker Corporation) |
| LSA➣Loss of Situational Awareness |
| LSA➣Life Saving Action |
| LSA➣Library Storage Annex (Massachusetts Institute of Technology) |
| LSA➣Lutheran Student Association |
| LSA➣Limited Space charge Accumulation |
| LSA➣Large-Scale Array |
| LSA➣Linear Servo Actuator |
| LSA➣London Small Arms Company |
| LSA➣Large Space Antenna |
| LSA➣Least Square Approximation |
| LSA➣Loyal Supporters Association |
| LSA➣Lightship Sailors Association (US Coast Guard) |
| LSA➣Landform-Sediment Assemblage |
| LSA➣Logistics Support Agency |
| LSA➣Lego Space Alliance |
| LSA➣Licensed Surgical Assistant |
| LSA➣Licensed Staff Agreement (State Farm Insurance) |
| LSA➣Landing Ship Assault |
| LSA➣Latino Students Association |
| LSA➣Leventhal School of Accounting (University of Southern California) |
| LSA➣Louisiana Shooting Association (Metairie, LA) |
| LSA➣Liberty Search Associates, Inc. (Clearwater, FL) |
| LSA➣Louisville Swim Association |
| LSA➣Lebanese Society of Anesthesiologists |
| LSA➣Lothian Surgical Audit |
| LSA➣Ligno-Sulfonic Acid |
| LSA➣Laura Shanks Associates (UK) |
| LSA➣Large Sample Approximation |
| LSA➣Limited Security Area |
| LSA➣List of Code of Federal Regulations Sections Affected (manual detailing changes to the CFR) |
| LSA➣Local Search Approach |
| LSA➣Level Shift Amplifier |
| LSA➣Learning Skills Assessment |
| LSA➣Local Services Agreement |
| LSA➣License of the Society of Apothecaries |
| LSA➣Logistics Module - Stand Alone |
| LSA➣Low Solar Absorbency (paint with reflective properties in the near infrared spectrum) |
| LSA➣Logistic System Acquisition |
| LSA➣Line Source Antenna |
| LSA➣Logistics Systems Analysis/Analyst |
| LSA➣Lightwave Signal Analyzer |
| LSA➣Low Speed Auxiliary |
| LSA➣Lemming Society of America |
| LSA➣Logistics Systems Architects |
| LSA➣Logistics Service Agreement |
| LSA➣Labor Service Agency |
| LSA➣Low Source Alignment |
| LSA➣Line Shaft Assembly |
| LSA➣Lubricant, Semifluid, Automatic weapons |
| LSA➣Logistical Support Agency |
| LSA➣Lower Surficial Aquifer (Florida water source) |
| LSA➣Leading Supply Assistant (UK naval rank or rating level) |
| LSA➣Linear Separation Assembly (US NASA) |
| LSA➣Licensed Space Arrangement |
| LSA➣Living Spring Academy (Iligan City, Phillipines) |