| Acronym | Definition |
|---|
| TSA➣Transportation Security Administration (US Department of Homeland Security) |
| TSA➣Transportation Security Administration (US DHS) |
| TSA➣Technology Student Association |
| TSA➣Tax Sheltered Annuity |
| TSA➣Trailer Stability Assist (vehicles) |
| TSA➣The Snowboard Asylum |
| TSA➣Travel Sentry Approved |
| TSA➣Total Surface Area |
| TSA➣Tumor-Specific Antigen (cell-surface antigen not occurring in normal cells) |
| TSA➣The Salvation Army |
| TSA➣The Sports Authority (Englewood, CO) |
| TSA➣Trichostatin A (histone deacetylase inhibitor) |
| TSA➣Transpacific Stabilization Agreement (shipping) |
| TSA➣Tryptic Soy Agar |
| TSA➣Textile Society of America (est. 1987) |
| TSA➣Telecare Services Association (UK) |
| TSA➣Tenant Services Authority (UK) |
| TSA➣Target Service Agent |
| TSA➣Trailer Stability Assist |
| TSA➣Transportation Security Administration |
| TSA➣Time Stamping Authority |
| TSA➣Time Share Algorithm |
| TSA➣Toyota Style Australia |
| TSA➣Teleshop Access |
| TSA➣Toronto School of Art (Canada) |
| TSA➣Trans States Airlines (Bridgeton, MO) |
| TSA➣Time Stamping Authority (electronic commerce) |
| TSA➣Texas Society of Architects |
| TSA➣Texas State Aquarium (Corpus Christi, TX) |
| TSA➣Taiwanese Student Association |
| TSA➣Tourism Satellite Account |
| TSA➣Tourette Syndrome Association, Inc. |
| TSA➣Target Service Agent (Novell) |
| TSA➣Times Square Alliance (New York) |
| TSA➣Technical Support Agreement (various companies) |
| TSA➣The Station Agent (film) |
| TSA➣Time Series Analysis |
| TSA➣Turkish Student Association |
| TSA➣Timber Supply Area (Canada) |
| TSA➣Tulane School of Architecture (Tulane University; Louisiana) |
| TSA➣Transport Safety Authority (various locations) |
| TSA➣Toyota South Africa (vehicles) |
| TSA➣The Scene Aesthetic (band) |
| TSA➣Technology Systems Analysis (Pacific Northwest National Laboratory) |
| TSA➣Telecommunication Society of Australia |
| TSA➣Thinking Skills Assessment |
| TSA➣Tampa Sports Authority |
| TSA➣Tuberous Sclerosis Association (UK) |
| TSA➣Thai Student Association |
| TSA➣The Salon Association |
| TSA➣Total Survey Area |
| TSA➣Theater Storage Area (US DoD) |
| TSA➣Télésanté Aquitaine (French health organization) |
| TSA➣Target System Analysis (US DoD) |
| TSA➣Total Shoulder Arthroplasty (shoulder joint surgery) |
| TSA➣Tryptone Soya Agar |
| TSA➣Traffic Safety Association (Michigan) |
| TSA➣Temporary Storage Areas (various meanings) |
| TSA➣Tuberous Sclerosis Alliance (formerly National Tuberous Sclerosis Association; Silver Spring, Maryland) |
| TSA➣Temporary Staffing Agency |
| TSA➣Taos Society of Artists (est. 1915; Taos, NM) |
| TSA➣Taiwan Securities Association (est. 1999) |
| TSA➣Topical Skin Adhesive (various companies) |
| TSA➣Transaction Systems Architects, Inc |
| TSA➣Troubles Spécifiques des Apprentissages (French: Specific Learning Disorders) |
| TSA➣Technology Skills Assessment (various organizations) |
| TSA➣Technical Service Agreement |
| TSA➣Technical Support Alliance |
| TSA➣Teacher on Special Assignment |
| TSA➣Taiwan Suzuki Association |
| TSA➣The Sunbed Association (trade group; UK) |
| TSA➣Tower Structural Analyst (various companies) |
| TSA➣Time Slot Assignment |
| TSA➣Timosaponin (inhibitor) |
| TSA➣The Scout Association (UK) |
| TSA➣Tapered Slot Antenna |
| TSA➣Transformation Story Archive |
| TSA➣Theosophical Society in America |
| TSA➣Transition State Analog |
| TSA➣Temporal Security Agency (gaming) |
| TSA➣Texas Society of Anesthesiologists |
| TSA➣Tivoli System Automation (IBM Corp.) |
| TSA➣Thermoelastic Stress Analysis |
| TSA➣Temple Scott Associates (public relations and government relations firm; Canada) |
| TSA➣Temporary Segregated Area (aviation) |
| TSA➣Treasury-State Agreement (US state funding) |
| TSA➣Training Situation Analysis (US Navy) |
| TSA➣Transcortical Sensory Aphasia |
| TSA➣Texas Speleological Association |
| TSA➣Task Safety Awareness (building) |
| TSA➣Taipei, Taiwan - Sung Shan (Airport Code) |
| TSA➣Technikon Southern Africa |
| TSA➣Team Sports America, Inc. (sports merchandise manufacturer) |
| TSA➣The Stubbins Associates (now Kling Stubbins; architecture; various locations) |
| TSA➣Transuranic Storage Area |
| TSA➣Term Share Account (finance) |
| TSA➣Tajne Stowarzyszenie Abstynentów (Polish) |
| TSA➣Transitional Services Agreement |
| TSA➣Tank Storage Association (UK) |
| TSA➣Tanzania Serengeti Adventure (safari operator) |
| TSA➣Texas Sign Association |
| TSA➣Troop Support Agency (Army) |
| TSA➣Taxiway Safety Area |
| TSA➣Toronto School of Archery (Toronto, Canada) |
| TSA➣Thaumasite Formation from Sulphate Attack (tunnels) |
| TSA➣Textile Services Association Limited (UK) |
| TSA➣Technical System Audit |
| TSA➣Technical Safety Appraisal |
| TSA➣Tamil Student Association |
| TSA➣Training Support Agent |
| TSA➣Temperature Swing Absorption |
| TSA➣Täby Sändaramatörer (Swedish radio club) |
| TSA➣Temporary Support Assistant (school districts) |
| TSA➣Trans System Authority (gaming, Natural-Selection) |
| TSA➣Technical Services Analyst |
| TSA➣Technology Safeguard Agreement |
| TSA➣Taxe Spécifique Additionnelle (French: Specific Additional Fee) |
| TSA➣Transport Stream Analyzer (Instrument used in DTV broadcasting to ascertain the condition of the stream) |
| TSA➣Trace Suspension Assembly (hard drive component) |
| TSA➣Technical & Scientific Application, Inc (Houston, Texas) |
| TSA➣Technical Services Associates, Inc. |
| TSA➣The Schemmer Associates, Inc (Omaha, NE) |
| TSA➣Travel Security Advisory |
| TSA➣Title Says All |
| TSA➣Theatre Students' Association |
| TSA➣Technicien en Santé Animale (French: Animal Health Technician) |
| TSA➣Temperate South America |
| TSA➣Target State Architecture (Sprint) |
| TSA➣Thermally Sprayed Aluminum |
| TSA➣Triple Sugar Agar |
| TSA➣The Senate Arcade (Seattle, Washington band) |
| TSA➣Tolerance Stack Analysis (mechanical engineering) |
| TSA➣Technical Support Area |
| TSA➣Test Start Approval |
| TSA➣Trainer Support Activity |
| TSA➣Time-Scale Analysis |
| TSA➣TELUS Solutions d'Affaires |
| TSA➣Transmitting Subscriber Internet Address |
| TSA➣Technical Support and Analysis |
| TSA➣Target Signature Array |
| TSA➣Transport Services Agreement |
| TSA➣Transmitter/Servo Drive/Antenna |
| TSA➣Target Software Agent(s) |
| TSA➣The Securities Association Ltd. |
| TSA➣Tactical Situation Assessment |
| TSA➣Target System Architecture |
| TSA➣Tropical and Subtropical Agriculture |
| TSA➣Threat Situational Awareness |
| TSA➣Testing Support Activity |
| TSA➣Total Systems Architecture |
| TSA➣Transmitting Subscriber Address |
| TSA➣Technologie en Santé Animale |
| TSA➣Tasa Especifica Adicional |
| TSA➣Theater Storage Activities/Ammunition |
| TSA➣Transient Suppression Assembly |
| TSA➣Technical Security Area |
| TSA➣Thermal Shield Antenna |
| TSA➣Technical Support Activity/Agent |
| TSA➣Total Sample Area |