| T&C | Terms & Conditions |
| T&D | Training and Development |
| T-Bill | Treasury Bill |
| T-RAM | Thyristor Random Access Memory |
| T-TBI | Technopark-Technology Business Incubator |
| T20 | Twenty20 |
| T20 | Torx screw head size (0.151 inch or 3.86 millimeter) |
| T20I | Twenty20 International |
| T4D | Thought for the Day |
| T9N | Translation |
| Ta | Tantalum |
| TA | TravelCenters of America |
| TA | Travelling Allowance |
| TA | Threat Assessment |
| TA | Taunton |
| TA | Territorial Army |
| TA | Territorial Army |
| TA | Transactional Analysis |
| TA | Total Alkalinity |
| TA | Tricuspid Atresia |
| TA | Territorial Authority |
| TA | Temasek Academy |
| TA | TACA Airlines |
| TAAD | Triage Assessment for Addictive Disorders |
| TACS | Total Access Communication System |
| TACS | Tactical Air Control System |
| TACS | Tiles and Architectural Ceramics Society |
| TADA | Terrorist and Disruptive Activities Act |
| TADA | Trillium Automobile Dealers Association |
| TAFE | Technical and Further Education |
| TAFE | Tractors and Farm Equipment Limited |
| TAGUP | Technology Advisory Group for Unique Projects |
| TAI | Temps Atomique International |
| TAI | Turkish Aerospace Industries |
| TAI | The Australia Institute |
| TAI | Transports Aériens Intercontinentaux |
| TAI | Taiz International Airport |
| TALCO | Tajik Aluminium Company |
| tam | Tamil |
| TAM | TAM Airlines |
| TAM | Television Audience Measurement |
| TAM | Total Available Market |
| TAM | Technology Acceptance Model |
| TAM | Telephone Answering Machine |
| TAM | Toyota Astra Motor |
| TAM | Tanque Argentino Mediano |
| TAM | Technical Account Manager |
| TAM | Tense-Aspect-Mood |
| TAM | Telecom Application Map |
| TAM | Technical Advice Memorandum |
| TAM | Tacoma Art Museum |
| TAM | Tampico International Airport |
| TAM | Tivoli Access Manager |
| TAM | Tanami Gold NL |
| TAM | Theoretical and Applied Mechanics |
| TAM | Twentieth Anniversary Macintosh |
| TAMU | Texas A&M University |
| TAMU | Tertiary Advisory Monitoring Unit |
| TAN | Tangent |
| TAN | Total Acid Number |
| TAN | Tax Account Number |
| TAN | Transaction Authentication Number |
| TANGEDCO | Tamil Nadu Generation and Distribution Corporation |
| TANSI | Tamil Nadu Small Industries |
| TAPI | Telephony Application Programming Interface |
| TAPI | Turkmenistan-Afghanistan-Pakistan-India Pipeline |
| TAR | Tape Archive |
| TAR | The Amazing Race |
| TAR | Third Assessment Report |
| TAR | Tibet Autonomous Region |
| TAR | Total Ankle Replacement |
| TAR | M. A. Grottag Airport |
| TAR | Thrombocytopenia-Absent Radius |
| TAR | Tharsa Railway Station |
| TASER | Thomas A. Swift’s Electric Rifle |
| TASMAC | Tamil Nadu State Marketing Corporation |
| TASMAC | Training & Advance Studies in Management & Communication |
| TASTE | The Archives of Scientists’ Transcendent Experiences |
| TASTE | Thermally Accelerated Short Time Evaporator |
| TASTE | Test to Analyse and Shape Talents towards Employment and career |
| TASTE | Toledo Association for Sustainable Tourism and Empowerment |
| TASTE | Traditional Artisan and Speciality Trade Expertise |
| Tat | Tattoo |
| TAT | TurnAround Time |
| TAT | Tourism Authority of Thailand |
| TAT | Thematic Apperception Test |
| TAT | Total Air Temperature |
| TAT | Poprad–Tatry Airport |
| TAT | Truckers Against Trafficking |
| TAT | Transcontinental Air Transport |
| TAT | The Astonishing Tribe |
| TAT | TAT European Airlines |
| Tata | named after Jamsetji Nusserwanji Tata |
| TB | Tuberculosis |
| TB | Terabyte |
| TB | Thunderbird |
| TBA | To Be Announced |
| TBA | Tri-Border Area |
| TBA | Traditional Birth Attendant |
| TBA | Tennessee Bar Association |
| TBA | Trockenbeerenauslese |
| TBA | Tert-Butyl Alcohol |
| TBA | Trinity Business Alumni |
| TBA | Tropical Biology Association |
| TBA | Targeted Brownfields Assessment |
| TBA | Thai Boxing Association |
| TBA | Theatre Bay Area |
| TBC | To Be Confirmed |
| TBC | World of Warcraft: The Burning Crusade |
| TBC | Thermal-Barrier Coating |
| TBC | Tuberculosis |
| TBC | Trinity Bible College |
| TBC | Tbilisi Business Centre |
| TBC | Tonga Broadcasting Commission |
| TBC | The Beijing Center for Chinese Studies |
| TBC | Time-Base Corrector |
| TBC | Tauranga Boys College |
| TBC | Tohoku Broadcasting Company |
| TBC | Triangle Brewing Company |
| TBC | Tram et bus de la CUB |
| TBC | Tuba City Airport |
| TBC | Tucson Bird Count |
| TBC | Trust Banking Corporation |
| TBC | Tongyang Broadcasting Company |
| TBD | To Be Determined/Decided |
| TBD | Three Bridges |
| TBD | Track-Before-Detect |
| TBD | Triazabicyclodecene |
| TBD | Torpedo Boat Destroyer |
| TBD | Tick-Borne Diseases |
| TBD | Transportation Benefit District |
| TBD | Timbiqui Airport |
| TBD | Telibandha |
| TBGRI | Tropical Botanic Garden & Research Institute |
| TBH | To Be Honest |
| TBH | Tugdan Airport |
| TBH | Tatibahar |
| TBH | Talento Bilingüe de Houston |
| TBH | The Back Horn |
| tbh | Tharawal |
| TBM | Tunnel Boring Machine |
| TBM | Tuberculous Meningitis |
| TBM | Technology Business Management |
| TBM | Three Blind Mice |
| TBM | Tactical Ballistic Missile |
| TBM | TracheoBronchoMalacia |
| TBM | Transferable Belief Model |
| TBM | The Birthday Massacre |
| TBM | Theatre Ballistic Missile |
| TBM | Transports Bordeaux Métropole |
| TBM | Trailing Bit Manipulation |
| TBM | Techno Body Music |
| TBM | The Beautiful Music |
| TBMD | Thin Basement Membrane Disease |
| TBMD | Theatre Ballistic Missile Defence |
| TBMD | Tight-Binding Molecular Dynamics |
| TBSE | Tripura Board of Secondary Education |
| TBSE | Technology Bureau for Small Enterprises |
| TBSE | Total Body Skin Exam/Examination |
| tbsp | Tablespoon |
| TBSP | Thai British Security Printing |
| TBSP | Tahoe Backcountry Ski Patrol |
| TBSP | Tomales Bay State Park |
| TBSP | Black Star Project |
| TC | Turks and Caicos Islands |
| TC | Transfer Certificate |
| TC | Air Tanzania |
| TC | Total Chances |
| TC | Technical Communication |
| TC | TechCrunch |
| TC | Time Code |
| TC | Transport Canada |
| TC | Total Cost |
| TC | Telecine |
| tc | Turks and Caicos Islands (TLD) |
| TC | Texarkana College |
| TC | Tusculum College |
| TC | Tierra Comunera |
| TCC | Total Cash Compensation |
| TCC | Tacoma Community College |
| TCC | Tallahassee Community College |
| TCC | Tarrant County College |
| TCC | Tax Court of Canada |
| TCC | Transitional Cell Carcinoma |
| TCC | Tanana Chiefs Conference |
| TCC | City Council of Tehran |
| TCC | Thailand Cultural Centre |
| TCC | The Carter Center |
| TCC | The Celluloid Closet |
| TCC | Tidewater Community College |
| TCC | Townsville City Council |
| TCC | Tulsa Community College |
| TCC | Tucumcari Municipal Airport |
| TCC | Travancore Cochin Chemicals |
| TCC | The Children’s Channel |
| TCC | Triboro Coach Corporation |
| TCFW | Too Cute for Words |
| TCI | Turks and Caicos Islands |
| TCI | Touring Club Italiano |
| TCI | Transport Corporation of India |
| TCI | Telecommunication Company of Iran |
| TCI | Trade Credit Insurance |
| TCI | Tamástslikt Cultural Institute |
| TCI | Therapeutic Crisis Intervention |
| TCI | Tsukuba Center Inc |
| TcL | Tool Command Language |
| TCL | Transform, Clipping and Lighting |
| TCL | Transurban Group |
| TCL | Telephone Communication Limited |
| TCL | Transaction Control Language |
| TCL | Tuscaloosa Regional Airport |
| TCL | Taylor Cullity Lethlean |
| TCL | Texas Collegiate League |
| TCL | Transports en Commun Lyonnais |
| TCL | Tata Communications Limited |
| TCMC | Travancore-Cochin Medical Council |
| TCMC | Commonwealth Medical College |
| TCMC | Toronto Chinese Methodist Church |
| TCO | Total Cost of Ownership |
| TCO | The Cinematic Orchestra |
| TCO | Transparent Conducting Oxide |
| TCO | Terry’s Chocolate Orange |
| TCON | Timing Controller |
| TCON | Timer/Counter Control Register |
| TcoN | The Colours of Nature |
| TCP | Transmission Control Protocol |
| TCP | Tape Carrier Package |
| TCP | Trichlorophenol |
| TCP | Tricresyl Phosphate |
| TCP | Tropical Canine Pancytopenia |
| TCP | Tamaraw Conservation Program |
| TCS | Tata Consultancy Services |
| TCS | Traction Control System |
| TCS | Tax Collected at Source |
| TCS | Tactical Control System |
| TCS | Tranzum Courier Services |
| TCS | Tactical Communications System |
| TCS | Treacher Collins Syndrome |
| TCS | Trinity College School |
| TCS | Truth or Consequences Municipal Airport |
| TCS | Television Corporation of Singapore |
| TCU | Texas Christian University |
| TDC | Top Dead Center |
| TDC | Time-To-Digital Converter |
| TDC | Transportation Development Centre |
| TDC | Type Directors Club |
| TDC | Torpedo Data Computer |
| TDC | Tele Danmark Communications |
| TDCi | Turbo Diesel Common rail injection |
| TDI | Turbocharged Direct Injection |
| TDI | Texas Department of Insurance |
| TDI | Time Delay Integration |
| TDI | Toluene Diisocyanate |
| TDMA | Time division multiple access |
| TDP | Thermal Design Power |
| TDP | Telugu Desam Party |
| TDP | Tag Distribution Protocol |
| TDP | Tennessee Democratic Party |
| TDP | Toplumcu Demokratik Parti |
| TDR | Time-Domain Reflectometry |
| TDR | Tokyo Disney Resort |
| TDR | Term Deposit Receipt |
| TDR | Time-Domain Reflectometer |
| TDR | Ticket Deposit Receipt |
| tDR | The Designers Republic |
| TDR | Theodore Airport |
| TDR | The Dartmouth Review |
| TDS | Total Dissolved Solids |
| TDS | Tax Deducted at Source |
| TDS | Tabular Data Stream |
| TDS | Telephone and Data Systems, Inc. |
| TDS | Tokyo DisneySea |
| Teacher | noun: one who teaches, especially in a school |
| Tech | Technology |
| Tech | Technician |
| TECO | Text Editor and COrrector |
| TECO | Telecooperation Office |
| TECO | Taipei Economic and Cultural Office |
| TECO | Tampa Electric Company |
| TECO | Technical Education Center Osceola |
| TED | Technology, Entertainment, Design |
| TED | Thisted Airport |
| TED | Thyroid Eye Disease |
| TEDDY | The Environmental Determinants of Diabetes in the Young |
| TEDDY | TERI Energy Data Directory & Yearbook |
| Telco | Telephone Company |
| TELCO | TATA Engineering and Locomotive Company |
| Telecom | Telecommunications |
| Telefe | Televisión Federal |
| TELK | Transfromers and Electricals Kerala |
| Telnet | TELecommunication NETwork |
| TEMA | Tennessee Emergency Management Agency |
| TEMA | Toyota Motor Engineering & Manufacturing North America |
| TEMA | Tubular Exchanger Manufacturers Association |
| TEMA | Texas Medieval Association |
| TEMA | Texas Energy Managers Association |
| TEPCO | Tokyo Electric Power Company |
| TEPCO | Technical Porcelain and Chinaware Company |
| TERI | Trailing Edge Ring Indicator |
| TERI | The Energy and Resources Institute |
| TERI | The Education Resources Institute |
| TERI | Torpedo Effective Range Indicator |
| Tesla | named after Nikola Tesla |
| TEST | Thermal Energy Storage Technology |
| TeST | The Simputer Trust |
| TET | Teacher Eligibility Test |
| TET | Tubal Embryo Transfer |
| TET | Chingozi Airport |
| TET | Trans Euro Trail |
| TET | Test Environment Toolkit |
| TET | Trilogy Energy Corp |
| TFSI | Turbo Fuel Stratified Injection |
| TFSI | Bistriflimide |
| TFSI | Toyota Financial Services Italy |
| TFT | Thin-Film Transistor |
| TFT | Thought Field Therapy |
| TFT | The Frozen Throne |
| TFT | The Fantasy Trip |
| TFT | Thyroid Function Test |
| TFT | Trifluorothymidine |
| TfT | Théâtre français de Toronto |
| TFT | Task Force Tarawa |
| TFT | Toys for Tots |
| TFTI | Thanks for the Invite |
| TFTI | Thanks For The Information |
| TFTI | Tilakdhari Films & Television Institute |
| TFTP | Trivial File Transfer Protocol |
| TFTP | Terrorist Finance Tracking Program |
| TFTP | Technology For The People |
| TGBOA | Tripura Gramin Bank Officers Association |
| TGE | Transmissible GastroEnteritis |
| TGE | Torque Game Engine |
| TGIF | Thank God It’s Friday |
| TGIF | Transforming Growth Interacting Factor |
| TGIF | Tactical Ground Intercept Facility |
| TGP | Thumbnail Gallery Post |
| TGP | Tasmanian Gas Pipeline |
| TGP | Tau Gamma Phi |
| TGT | Trained Graduate Teacher |
| TGT | Target Corporation |
| TGT | Ticket Granting Ticket |
| TGT | Tanga Airport |
| TGT | The Grand Tour |
| TGT | Thailand’s Got Talent |
| TGT | Tagetitoxin |
| TGT | Tennessee Gas Transmission |
| TGT | The Glacier Trust |
| THAAD | Terminal High Altitude Area Defence |
| THD | Total Harmonic Distortion |
| THD | Doctor of Theology |
| THDC | Tata Housing Development Company |
| THDC | Tehri Hydro Development Corporation |
| THDC | Human Development Company |
| THDCIL | THDC India Limited |
| THX | Tomlinson Holman's eXperiment |
| thx | Thanks |
| Ti | Titanium |
| TI | Texas Instruments |
| TI | Tube Investments |
| TI | Therapeutics Initiative |
| TIA | Telecommunications Industry Association |
| TIA | Transient Ischemic Attack |
| TIA | Thanks In Advance |
| TIA | Tirana International Airport |
| TIA | Toy Industry Association |
| TIA | Trust Indenture Act of 1939 |
| TIA | Transimpedance Amplifier |
| TIA | Totally Integrated Automation |
| TIA | Total Information Awareness |
| TIA | Transparency in Armaments |
| TIA | Television Interface Adaptor |
| TIA | Traitement Intégral Armand |
| TIA | Texas International Airlines |
| TIA | The Internet Adapter |
| TIA | Trans International Airlines |
| TIA | Thornaby Independent Association |
| TIFAC | Technology Information, Forecasting and Assessment Council |
| TIFF | Tagged Image File Format |
| TIFR | Tata Institute of Fundamental Research |
| TIL | Today I Learned |
| TIL | Tata International Limited |
| TIL | Transparent Intensional Logic |
| TIL | Times Internet Limited |
| TIL | Tumor Infiltrating Lymphocytes |
| TIME | Top Industrial Managers for Europe |
| TIME | Triumphant Institute of Management Education |
| TIME | Tourism Indonesia Mart & Expo |
| TIMSI | Temporary International Mobile Subscriber Identity |
| TIMTOWTDI | There Is More Than One Way To Do It |
| TIN | Taxpayer Identification Number |
| TiN | Titanium Nitride |
| TIN | Tax Information Network |
| TIN | Triangulated Irregular Network |
| TIN | Tubulo-interstitial Nephritis |
| TIN | Theater Instituut Nederland |
| TIN | Tindouf Airport |
| TIO | Telecommunications Industry Ombudsman |
| TiPS | Trends in Pharmacological Sciences |
| TIPS | Transjugular Intrahepatic Portosystemic Shunt |
| TIPS | Terrorism Information and Prevention System |
| TISCO | Tata Iron and Steel Company |
| TISS | Tata Institute of Social Sciences |
| TISS | Triangle Institute for Security Studies |
| TISS | Therapeutic Intervention Scoring System |
| TISS | Thousand Islands Secondary School |
| TISS | Thermal Imaging Sensor System |
| TIST | Transactions on Intelligent Systems and Technology |
| TIST | Toc H Institute of Science & Technology |
| TIST | Cyril E. King Airport |
| TJSB | Thane Janata Sahakari Bank |
| TJSB | Teknik Janakuasa Sdn Bhd |
| TKMCE | Thangal Kunju Musaliar College of Engineering |
| TKSS | The Kapil Sharma Show |
| TKSS | Tanjong Katong Secondary School |
| TKSS | Telok Kurau Secondary School |
| TL | Timor-Leste |
| TL | Team Leader |
| Tl | Thallium |
| tl | East Timor (TLD) |
| TL | Thermoluminescence |
| TL | Turntable Ladder |
| TLC | Triple-Level Cell |
| TLC | The Learning Channel |
| TLC | Toyota Land Cruiser |
| TLC | Toluca International Airport |
| TLC | Travel & Living Channel |
| TLC | Tender Loving Care |
| TLC | Thin-Layer Chromatography |
| TLD | Top-Level Domain |
| TLD | Tag Library Descriptor |
| TLD | Thermoluminescent Dosimeter |
| TLDR | Too Long, Didn’t Read |
| TLDW | Too Long ; Didn’t Watch |
| TLS | Transport Layer Security |
| TLS | Tumor Lysis Syndrome |
| TLS | Toulouse–Blagnac Airport |
| TLS | Thread-Local Storage |
| TLS | Transparent LAN Service |
| TLS | TheaterLexikon der Schweiz |
| TLS | Transponder Landing System |
| TLS | Two-Level System |
| TLS | Times Literary Supplement |
| TLS | Thread Level Speculation |
| TLS | Telstra Corporation Limited |
| TLS | Thüringer Landessternwarte |
| TLS | Thermal Laser Stimulation |
| TLS | Thesaurus Linguae Sericae |
| TLS | Tallinn Law School |
| TLS | Trinity Law School |
| TLS | Trinity Lutheran School |
| TLS | Trinity Lutheran School |
| TLS | Trinity Lutheran School |
| TM | Trademark |
| TM | Thematic Mapper |
| TM | Translation Memory |
| TM | Transcendental Meditation |
| TM | Telekom Malaysia |
| Tmall | Taobao Mall |
| TMC | Traffic Message Channel |
| TMC | Trinamool Congress |
| TMC | Texas Medical Center |
| TMC | Thousand Million Cubic feet |
| TMC | Tanglewood Music Center |
| TMC | The Master’s College |
| TMC | Thurgood Marshall College |
| TMC | Trivandrum Medical College |
| TMC | The Movie Channel |
| TMC | Total Market Coverage |
| TMC | Toronto Mendelssohn Choir |
| TMC | Textile Museum of Canada |
| TMC | Tambolaka Airport |
| TMC | Tamil Maanila Congress |
| TMMK | Toyota Motor Manufacturing Kentucky |
| TMMK | TamilNadu Muslim Munnetra Kazhagam |
| TMNT | Teenage Mutant Ninja Turtles |
| tmpDSK | Temporary Disk |
| TMS | Transcranial Magnetic Stimulation |
| TMS | Transportation Management System |
| TMS | Time Management System |
| TMS | Tokyo Motor Show |
| TMS | São Tomé International Airport |
| TMS | Test Match Special |
| TMS | Trimethylsilyl |
| TMS | Tension Myositis Syndrome |
| TMS | Tribune Media Services |
| TMS | T. M. Soundararajan |
| TMS | The Monarch School |
| TMS | Toronto Mandarin School |
| TMS | Texas Motor Speedway |
| TMT | Manat |
| TMT | Trail Making Test |
| TMT | Technology, Media and Telecommunications |
| TMT | Treadmill Test |
| TMT | Thermo-Mechanical Treatment |
| TMT | Thirty Metre Telescope |
| TMT | Terror Management Theory |
| TMT | Tandem Mass Tag |
| TMT | Trimethylthiazoline |
| TMT | Today Makes Tomorrow |
| TMT | Thane Municipal Transport |
| TMT | Toyota Motor Thailand |
| TMT | Porto Trombetas Airport |
| TMT | Temporal Motivation Theory |
| TMT | Tubular Modular Track |
| TMT | The Money Team |
| TMU | Texture Mapping Unit |
| TMU | Tokyo Metropolitan University |
| TMU | Taipei Medical University |
| TMU | Tianjin Medical University |
| TMU | Tarbiat Modares University |
| TMU | Teerthanker Mahaveer University |
| TNEB | Tamil Nadu Electricity Board |
| TNN | The Nashville Network |
| TNN | Totally No Noise |
| TNN | Times News Network |
| TNN | Transactions on Neural Networks |
| TNN | Tainan Airport |
| TNPAWS | Tennessee Premium and Wage Reporting System |
| TNPL | Tamil-Nadu Newsprint and Papers Limited |
| TNPS | Transactional Net Promoter Score |
| TNPS | Next Picture Show |
| TNPS | Tennessee Native Plant Society |
| TNPS | Tampines North Primary School |
| TNPSC | Tamil Nadu Public Service Commission |
| TNSTC | Tamil Nadu State Transport Corporation |
| TNT | TriNitroToluene |
| TNT | Turner Network Television |
| TNT | The News Tribune |
| TNT | Thomas Nationwide Transport |
| TnT | Troponin T |
| TNT | Template Numerical Toolkit |
| TNT | Dade-Collier Training and Transition Airport |
| TNT | Trampoline and Tumbling |
| TNTET | Tamil Nadu Teachers Eligibility Test |
| TNVAT | Tamil Nadu Value Added Tax |
| TNW | Tactical Nuclear Weapon |
| TNW | The Next Web |
| TNW | Tangible Net Worth |
| TNW | Total Net worth |
| TNW | Thorpe North and Western |
| TNW | Total Net Weight |
| TOC | Table Of Contents |
| TOC | Theory Of Constraints |
| TOC | Total Organic Carbon |
| TOC | Tactical Operations Center |
| TOC | Transmission Oil Cooler |
| TOC | Theory Of Change |
| TOC | Transnational Organized Crime |
| TOC | Tournament of Champions |
| TOC | Train Operating Company |
| TOC | Theory Of Computation |
| TOC | Top Of Climb |
| TOC | Teacher On Call |
| TOC | Total Operating Characteristic |
| TOC | Taste of Chaos |
| Toc H | Talbot House |
| TOD | Transit Oriented Development |
| TOD | Time Of Day |
| TOD | Pulau Tioman Airport |
| TOD | Transfer On Death |
| TOEFL | Test of English as a Foreign Language |
| TOI | Times of India |
| TOMCO | Tata Oil Mills Company |
| Torpex | Torpedo Explosive |
| Toshiba | Tokyo Denki (Tokyo Electric) + Shibaura Seisakusho (Shibaura Engineering Works) |
| TOSLink | Toshiba-Link |
| TOTP | Time-based One-Time Password |
| TOTP | Top Of The Pops |
| TOTP | Tri-O-Tolyl Phosphate |
| Toyota | from the family name of its founder, Kiichiro Toyoda |
| TP | Toilet Paper |
| TP | TAP Portugal |
| TP | Twisted Pair |
| TP | Transport Protocol |
| TP | Time Pass |
| TP | Triple Play |
| TP | Twin Peaks |
| TP | Tautas Partija |
| TP | Turbopump |
| TP-Link | name was based on the concept of “twisted pair link”, a kind of electromagnetic cabling. |
| TPA | Third-Party Administrator |
| TPA | Tonnes Per Annum |
| tPA | Tissue Plasminogen Activator |
| TPA | Two-Photon Absorption |
| TPA | Trade Promotion Authority |
| TPA | The TaxPayers’ Alliance |
| TPA | Tampa International Airport |
| TPA | Televisão Pública de Angola |
| TPA | Tanzania Ports Authority |
| TPA | Trade Practices Act 1974 |
| TPA | Tons Per Acre |
| TPA | Texas Pharmacy Association |
| TPA | Toronto Port Authority |
| TPA | Tetradecanoyl Phorbol Acetate |
| TPA | Tris(2-pyridylmethyl)amine |
| TPA | Televisión del Principáu d’Asturies |
| TPA | Toronto Parking Authority |
| TPa | Terapascal |
| TPA | Toronto Paramedic Association |
| TPA | Television Programs of America |
| TPA | Taipei Assassins |
| TPA | The Pinball Arcade |
| TPA | Tempe Preparatory Academy |
| TPA | Tautsaimnieku Politiskā Apvienība |
| TPG | Texas Pacific Group |
| TPG | Transports Publics Genevois |
| TPG | Total Peripherals Group |
| TPG | Taiping Airport |
| TPI | Teeth Per Inch |
| TPI | Tuned Port Injection |
| TPI | Trading Places International |
| TPI | Technique Polytechnic Institute |
| TPI | Threads Per Inch |
| TPI | Tracks Per Inch |
| TPI | Travel Professionals International |
| TPI | Turkish Patent Institute |
| TPI | Tehran Psychiatric Institute |
| TPI | Thermoplastic Polyimide |
| TPIVF | Three Parent In Vitro Fertilization |
| TPMS | Tire Pressure Monitoring System |
| TPMS | Takoma Park Middle School |
| TPMS | Triply Periodic Minimal Surfaces |
| TPU | Thermoplastic PolyUrethane |
| TPU | Time Processor Unit |
| TPU | Tomsk Polytechnic University |
| TPU | Troop Program Unit |
| TPU | Text Processing Utility |
| TPU | Transient Personnel Unit |
| TPU | Total Propagated Uncertainty |
| TPU | Avianca Perú |
| TPU | Tikapur Airport |
| TPU | Tacoma Public Utilities |
| TPU | Turbo Pascal Unit |
| TRAI | Telecom Regulatory Authority of India |
| TRAIN | Tourist Railway Association Inc |
| TRAIN | TrainingFinder Real-time Affiliate Integrated Network |
| TRAPPIST | Transiting Planets and Planetesimals Small Telescope |
| TRIAC | Triode for Alternating Current |
| TRIMs | Trade Related Investment Measures |
| TRIMS | Time-Resolved Ion Momentum Spectrometry |
| TRIMS | Technical Risk Identification and Mitigation System |
| TRIMS | Trinity River Information Management System |
| TRIPS | Trade Related Aspects of Intellectual Property Rights |
| TRiPS | Travel Risk Planning System |
| TRIPS | Tera-op, Reliable, Intelligently adaptive Processing System |
| Trp | Tryptophan |
| TRP | Television Rating Point |
| TRP | Traumatic Reticuloperitonitis |
| TRP | Taxi Recapitalisation Programme |
| TRS | Teacher Retirement System |
| TRS | Telecommunications Relay Service |
| TRS | Telangana Rashtra Samithi |
| TRS | Total Return Swap |
| TRS | Tip, Ring, Sleeve |
| TRS | AirTran Airways |
| TS POLYCET | Telangana Polytechnic Common Entrance Test |
| TSBIE | Telangana State Board of Intermediate Education |
| TSI | Time Slot Interchange |
| TSI | Trading Standards Institute |
| TSI | Total Skill Index |
| TSI | Town Sports International |
| TSI | Technical Specifications for Interoperability |
| TSI | Turbo Sport Injection |
| TSI | Total Solar Irradiance |
| TSI | Trophic State Index |
| TSI | Turkish Statistical Institute |
| TSI | Thyroid Stimulating Immunoglobulins |
| TSIIC | Telangana Industrial Infrastructure Corporation |
| TSMU | Tbilisi State Medical University |
| TSP | Traveling Salesman Problem |
| tsp | Teaspoon |
| TSP | Trisodium Phosphate |
| TSP | Thrift Savings Plan |
| TSP | Tribal Sub-Plan |
| TSP | Telephony Service Provider |
| TSP | Tunnel Setup Protocol |
| TSP | Triple Superphosphate |
| TSP | Textured Soy Protein |
| TSP | Temperature-Sensitive Parameter |
| TSRTC | Telangana State Road Transport Corporation |
| TSX | Toronto Stock eXchange |
| TSX | Tanjung Santan Airport |
| TT | Trinidad and Tobago |
| TT | Table Tennis |
| TT | Tetanus Toxoid |
| TT | Tourist Trophy |
| tt | Trinidad and Tobago (TLD) |
| TT | Turing Test |
| TT | Tourist Trophy |
| TTC | Teachers Training Course |
| TTC | The Toro Company |
| TTC | Toronto Transit Commission |
| TTC | Telecommunication Technology Committee |
| TTC | Triphenyl Tetrazolium Chloride |
| TTC | Trident Technical College |
| TTC | Talia Trust for Children |
| TTC | Tendring Technology College |
| TTCSP | Think Tanks and Civil Societies Program |
| TTE | Transthoracic Echocardiogram |
| TTE | Through-The-Earth |
| TTE | Travelling Ticket Examiner |
| TTE | Telecommunications Terminal Equipment |
| TTE | Babullah Airport |
| TTE | Texas Text Exchange |
| TTE | Time-Triggered Ethernet |
| TTE | Turbine Truck Engines |
| TTE | TCL-Thomson Electronics |
| TTE | Toyota Team Europe |
| TTE | Takasago Thermal Engineering |
| TTGL | Tengen Toppa Gurren Lagann |
| TTGL | Tactical Training Group, Atlantic |
| TTL | Transistor–transistor logic |
| TTL | Time to live |
| TTRAM | Twin Transistor Random Access Memory |
| TTRAM | Task and Training Requirements Analysis Methodology |
| TTS | Text To Speech |
| TTS | Transdermal Therapeutic Systems |
| TTS | Transaction Tracking System |
| TTS | Tsaratanana Airport |
| TTYL | Talk To You Later |
| TTYL8R | Talk to You Later |
| TUMT | TransUrethral Microwave Therapy |
| TUMT | Taipei University of Marine Technology |
| TUNA | TransUrethral Needle Ablation |
| TUNA | The Utah Nordic Alliance |
| TURP | TransUrethral Resection of the Prostate |
| TUV | Tuvalu |
| TUV | Technischer Überwachungsverein |
| TUV | Traditional Unionist Voice |
| TUV | Tucupita Airport |
| TUV | Tough Utility Vehicle |
| TV | TeleVision |
| TV | Tuvalu |
| tv | Tuvalu (TLD) |
| Tv | Time value |
| TV | Tidal Volume |
| TV | Top View |
| TV | Trebišov |
| TV | Province of Treviso |
| TV | Terminal Value |
| TV | Time Value |
| TV | Tualatin Valley |
| TV18 | Television Eighteen |
| TVC | Television Commercial |
| TVC | TV Computer |
| TVC | Thrust Vector Control |
| TVC | Total Viable Count |
| TVC | Cherry Capital Airport |
| TVC | Total Variable Cost |
| TVC | Televisió de Catalunya |
| TVC | Thermal Vacuum Chamber |
| TVC | Traditional Values Coalition |
| TVD | Tuvaluan dollar |
| TVD | The Vampire Diaries |
| TVD | True Vertical Depth |
| TVD | Total Variation Diminishing |
| TVD | Total Virus Defense |
| TVD | Tricuspid Valve Dysplasia |
| TVL | Television lines |
| TVL | Lake Tahoe Airport |
| TVS | Television South |
| TVS | Transient Voltage Suppression |
| TVS | Tornadic Vortex Signature |
| TVS | Thirukurungudi Venkagaruswamy Sundaram |
| Twitter | short burst of inconsequential information and chirps from birds |
| TWRFS | Textile Workers Rehabilitation Fund Scheme |
| TX | Texas |
| Tx | Transmit/Transmission/Transmitter |
| Tx | Treatment |
| TX | Air Caraïbes |
| TX | Thanks |
| TX | Thromboxane |
| TX | Tsukuba Express |
| TX | Caspase-4 |
| TYO | Tokyo Stock Exchange |
