

| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| TIA | Terminologie et Intelligence Artificielle | In French | → Computer-based techniques → Linguistics | 
| TIA | Telecommunications Industry Association (www.tiaonline.org) | In English | → Associations → Telecommunications | 
| TIAP | Titre Immobilisé de l'Activité de Portefeuille | In French | → Financial markets | 
| TIATA | Technical Information And Training Authoring | In English | → Documentation → Education | 
| TiB | Theater im Bahnhof | In German | → Theatre | 
| TIB | Technische Informationsbibliothek | In German | → Libraries → Applied sciences, technology | 
| TIBC | Total Iron Binding Capacity | In English | → Blood and circulatory system | 
| TIC | Tecnologías de la Información y la Comunicación = IKT | Informations- und Kommunikationstechnologie | In German = TIC | Technologies de l'Information et de la Communication | In French = ICT | Information and Communications Technology | In English = IKT | Informations- og kommunikationsteknologi | In Danish = IKT | Inligtings- en kommunikasietegnologie | In Afrikaans = ICT | Informatie- en Communicatietechnologie | In Dutch = TMK | Teknologi Maklumat dan Komunikasi | In Malay = IKT | Informasjons- og kommunikasjonsteknologi | In Norwegian = TIC | Tecnologies de la Informació i la Comunicació | In Catalan = IKT | Informazio eta Komunikazio Teknologia | In Basque = TIC | Tecnologia dell'Informazione e della Comunicazione | In Italian = IKT | Informasjons- og kommunikasjonsteknologi | In Nynorsk | In Spanish | → Computer science → Telecommunications | 
| TIC | Technologies de l'Information et de la Communication = IKT, ICT, TMK (look above) | In French | → Computer science → Telecommunications | 
| TIC | Tanzania Investment Centre | In English | → 33972 | 
| TIC | Technical Information Center | In English | |
| TIC | Total Item Change | In English | |
| TIC | Tecnologies de la Informació i la Comunicació = IKT, ICT, TMK (look above) | In Catalan | → Computer science → Telecommunications | 
| TIC | Tecnologia dell'Informazione e della Comunicazione = IKT, ICT, TMK (look above) | In Italian | → Computer science → Telecommunications | 
| TICE | Traité d'Interdiction Complète des Essais nucléaires | In French | → International relations → Military engineering → Nuclear technology | 
| TICGN | Taxe Intérieure de Consommation sur le Gaz Naturel | In French | → Taxes, duties → Energy economics | 
| TICM | Test Interface and Control Module | In English | |
| TID | Tour International Danubien | In French | → Sport, physical exercises | 
| TID | Tüm İnternet Derneği (www.tid.org.tr) | In Turkish | → Associations → Internet → Turkey | 
| TID | Telefónica Investigación y Desarrollo | In Spanish | → Networks, communication → Telecommunications | 
| TIDDB | Thermal Interface Design Data Book | In English | |
| TİDE | Türkiye İç Denetim Enstitüsü (http://https://tide.org.tr) | In Turkish | → Organizations and associations → Accounting → Turkey | 
| TİDER | Temel İhtiyaç Derneği (https://www.tider.org/) | In Turkish | → Associations → Social welfare → Turkey | 
| TIE | Toy Industries of Europe (www.tietoy.org) | In English | → Organizations and associations → Entertainment | 
| TIE | Technologies et Innovation pour l'Entreprise | In French | → Engineering, technology | 
| TIE | Transnationals Information Exchange | In English | → Organizations and associations → International relations | 
| TIE | Technology Integration Experiment | In English | |
| TIES | Tremendously Intense Erotic Situations | In English | → 3926 | 
| TIFDL | TOPEX Interfacility Data Link | In English | → Astronautics | 
| TIFF | Tagged Image File Format | In English | → Files | 
| TIFS | Total In-Flight Simulator | In English | → Aeronautics, aircraft → Astronautics | 
| TIFS | Tennessee Institute for Flag Studies | In English | → Organizations and associations → Flags, banners | 
| TIG | Time of/until Ignition | In English | → Astronautics | 
| TIG | Technologie-Impuls-Gesellschaft | In German | → Applied sciences, technology | 
| TIGR | The Institute for Genome Research | In English | → Genetics | 
| TIH | Thrombopénie Immunologique à l'Héparine | In French | → Immunology and allergy → Pathology | 
| TII | Tooling Inspection Instrumentation | In English | |
| TIK | Trade and Investment KwaZulu-Natal | In English | → 33972 | 
| TİKA | Türk İşbirliği ve Kalkınma İdaresi Başkanlığı (https://www.tika.gov.tr) | In Turkish | → International relations → Development → Turkey | 
| TIL | Trade and Investment Limpopo | In English | → 33972 | 
| TIL | Technology Insertion Laboratory | In English | → Research institutes | 
| TILAK | Tiroler Landeskrankenanstalten (www.tilak.at) | In English | → Medicine → Austria | 
| TILS | Traduzione, Interpretazione e Linguaggi Specialistici | In Italian | → Translation → Linguistics | 
| TIM | Technologie- und Innovationsmanagement | In German | → Engineering, technology | 
| TIM | Technical Interchange Meeting | In English | |
| TIM | Technical Interface Meeting | In English | |
| TIM | Telecom Italia Mobile (www.tim.it) | In Italian | → Telecommunications | 
| TIM | Time-based Inductive Machine | In English | → Software | 
| TIMC | Transactions of the Institute of Measurement and Control | In English | → Serial publications, periodicals → Applied sciences, technology | 
| TIMM | Thermally Integrated Micromodule | In English | |
| TIMO | Temporary Installation Manufacturing Order | In English | |
| TIMPAN | Technology to IMProve Airframe Noise | In English | → Acoustics | 
| TIO | Target Insertion Orbit | In English | → Astronautics | 
| TIP | Target Instrument Payload | In English | → Astronautics | 
| TIP | Technical Integration Panel | In English | → Applied sciences, technology | 
| TIP | Thrust Inlet Pressure | In English | → Vehicle engineering | 
| TIP | Titre Interbancaire de Paiement | In French | → Banks | 
| TIPA | Transfert Interbancaire de Paiements Automatisés | In French | → Banks | 
| TIPEX | Test In Progress Executive | In English | |
| TIPHON | Telecommunications and Internet Protocol Harmonization Over Networks | In English | → Telecommunications → Internet | 
| TIPP | Taxe Intérieure sur les Produits Pétroliers | In French | → Taxes, duties → 665 → Transport and postal services | 
| TIPS | Theory of Inventive Problem Solving = TRIZ | Teorija Rešenija Izobretatel´skich Zadač | In Russian | In English | → Management → Engineering, technology | 
| TIPS | Thruster Instability Protection System | In English | → Astronautics | 
| TIPS | Tile Information Processing System | In English | |
| TIR | Temporary Installation Record | In English | → Records management | 
| TIR | Terminal Imaging Radar | In English | → Geodesy, cartography → Astronautics | 
| TIR | Total Indicator Reading | In English | |
| TIR | Total Item Record | In English | → Records management → Data | 
| TIRA | Thüringer Industriewerk Rauenstein | In German | |
| TIRAD | Tool for Infrared Algorithm Development | In English | → Algorithms | 
| TIROS | Television Infrared Observation Satellite | In English | → Astronautics → Telecommunications | 
| TIRU | Traitement Industriel des Résidus Urbains | In French | → Environmental technology, water supply, waste management | 
| TIS | Thematische Innovatiestimulering | In Dutch | |
| TIS | Test Information Sheet | In English | |
| TIS | Test Interface Subsystem | In English | |
| TISA | Trade and Investment South Africa | In English | → 33972 → Trade | 
| TISA | Troop Issue Subsistence Activity | In English | → Military affairs | 
| TISI | Thai Industrial Standards Institute | In English | → Standardization | 
| TISI | Technologies de l'Information appliquées aux Systèmes Industriels | In French | → Computer-based techniques → Engineering, technology | 
| TISPAN | Telecoms & Internet converged Services & Protocols for Advanced Networks | In English | → Telecommunications → Internet | 
| TIUCS | Transactions of the International Union for Cooperation in Solar Research | In English | → Serial publications, periodicals → Astronomy | 
| TIW | Trainen Is Winnen | In Dutch | → Organizations and associations → Sport, physical exercises | 
| TIWG | Technical Interface Working Group | In English | → Human-computer interaction | 
| TIWG | Test Integration Working Group | In English | |
| TJ | Tower Jettison | In English | |
| TJAu | Telecommunication Journal of Australia | In English | → Serial publications, periodicals → Telecommunications → Australia | 
| TJCE | Tribunal de Justícia de les Comunitats Europees (http://curia.europa.eu) = EuGH | Europäischer Gerichtshof für Menschenrechte | In German = CJEC | Court of Justice of the European Communities | In English = CJCE | Cour de Justice des Communautés Européennes | In French = LICE | Llys Cyfiawnder Ewrop | In Welsh = ΔΕΚ | Δικαστήριο των Ευρωπαϊκών Κοινοτήτων | In Greek = JKEK | Justica Kortumo de Eŭropaj Kortumoj | In Esperanto = TJCE | Tribunal de Justicia de las Comunidades Europeas | In Spanish = CGCE | Corte di Giustizia delle Comunità Europee | In Italian = HvJEG | Hof van Justitie van de Europese Gemeenschappen | In Dutch = EBTT | Europos Bendrijų Teisingumo Teismas | In Lithuanian = CEJ | Curtea Europeană de Justiţie | In Romanian = ETS | Europejski Trybunał Sprawiedliwośc | In Lithuanian = ESD | Evropský soudní dvůr | In Czech = ECJ | European Court of Justice | In English = CJE | Cour de Justice Européenne | In French = CBCE | Cúirt Bhreithiúnais na gComhphobal Eorpach | In Irish = EKB | Európai Közösségek Bírósága | In Hungarian = ETT | Europos Teisingumo Teismas | In Lithuanian = ETS | Europejski Trybunał Sprawiedliwości | In Polish = TJUE | Tribunal de Justiça da União Europeia | In Portuguese = ESP | Evropski sud pravde | In Serbo-Croatian = SES | Sodišče Evropskih skupnosti | In Slovenian = AAD | Avrupa Adalet Divanı | In Turkish | In Catalan | → Law, jurisprudence → European Union → Europe | 
| TJCE | Tribunal de Justicia de las Comunidades Europeas (http://curia.europa.eu) = EuGH, CJEC, CJCE, LICE, ΔΕΚ, JKEK, CGCE, HvJEG, EBTT, CEJ, ETS, ESD, ECJ, CBCE, EKB, ETT, TJUE, ESP, SES, AAD (look above) | In Spanish | → Law, jurisprudence → European Union → Europe | 
| TJM | Tower Jettison Motor | In English | |
| TJPh | Turkish Journal of Physics | In English | → Serial publications, periodicals → Physics → Turkey | 
| TJUE | Tribunal de Justicia de la Unión Europea | In Spanish | → International relations | 
| TJUE | Tribunal de Justiça da União Europeia (http://curia.europa.eu) = TJCE, EuGH, CJEC, CJCE, LICE, ΔΕΚ, JKEK, CGCE, HvJEG, EBTT, CEJ, ETS, ESD, ECJ, CBCE, EKB, ETT, ESP, SES, AAD (look above) | In Portuguese | → Law, jurisprudence → European Union → Europe | 
| TK | Tehnilised Komiteed | In Estonian | → Organizations and associations → Engineering, technology | 
| TKA | Turkse Kracht Apeldoorn | In Dutch | → Organizations and associations → Sport, physical exercises → Netherlands | 
| TKD | ABVV Textiel, Kleding en Diamant | In Dutch | → Organizations and associations → Labour, labour economics → Textile industry | 
| TKI | Trail Kit Installation | In English | |
| TKK | Teknillinen korkeakoulu | In Finnish | |
| TKMS | Thurgauische Konferenz der Mittelschullehrkräfte | In German | → Organizations and associations → Education | 
| TKP3KPK | Tim Koordinasi Penyiapan Penyusunan Perumusan Kebijakan Penanggulangan Kemiskinan | In Indonesian | |
| TKPK | Tim Koordinasi Penanggulangan Kemiskinan (www.tkpkri.org) = TKPKRI | Tim Koordinasi Penanggulangan Kemiskinan Republik Indonesia | In Indonesian | In Indonesian | → Central administration → Development | 
| TKPKRI | Tim Koordinasi Penanggulangan Kemiskinan Republik Indonesia (www.tkpkri.org) = TKPK (look above) | In Indonesian | → Central administration → Development | 
| TKSC | Tsukuba Space Center | In English | → Astronomy → Astronautics | 
| TL | Transports Lausannois | In French | → Transport and postal services | 
| TL | Tramways Lausannois | In French | → Transport and postal services | 
| TL | Télé Liban | In French | → Telecommunications | 
| TL | Theoretische Leerweg | In Dutch | → Education | 
| TLC | Transformational Learning Community | In English | → Education | 
| TLC | Tratado de Libre Comercio | In Spanish | → Trade | 
| TLC | Teachable Language Comprehender | In English | → Artificial intelligence → Linguistics | 
| TLCE | Transmission Line Conditioning Equipment | In English | |
| TLCN | Test Logic and Constraint Network | In English | |
| TLCSC | Top-Level Computer Software Component | In English | → Software | 
| TLD | Top Level Domain | In English | → Networks, communication → Telecommunications | 
| TLD | Thermoluminescent Dosimeter | In English | |
| TLF | Télévision de tous les Franciliens | In French | → Telecommunications | 
| TLF | Terminal Launch Facility | In English | |
| TLFF | Times London Film Festival | In English | → Cinema, movies → United Kingdom | 
| TLFF/C+C | Technical Level Feeders Forum/Conformance and Certification | In English | |
| TLG | Tail Landing Gear | In English | → Aeronautics, aircraft | 
| TLG | Thesaurus Linguae Graecae | In Latin | → Language, linguistics, literature | 
| TLHSQ | Transactions of the Literary and Historical Society of Quebec | In English | → Serial publications, periodicals → Literature → History → Canada | 
| TLI | Translunar Injection | In English | → Astronautics | 
| TLL | Temasek Life Sciences Laboratory | In English | → Research institutes → Biological sciences → Biotechnology → Medicine | 
| TLL | Télévision Locale Loire | In French | → Telecommunications | 
| TLL | Thüringer Landesanstalt für Landwirtschaft | In German | → Agricultural sciences | 
| TLL | Thesaurus Linguae Latinae | In Latin | → Encyclopaedias, reference works → Linguistics | 
| TLO | Technology Licensing Organization | In English | → Organizations and associations → Engineering, technology | 
| TLO | Tribal Liaison Office (www.tlo-afghanistan.org) | In English | → Organizations and associations → Politics | 
| TLO | Telhaie Loisirs Organisation | In French | → Organizations and associations → Leisure → France | 
| TLO | Texas Legislature Online | In English | → Law, jurisprudence | 
| TLO | Top-Level Organization | In English | → Organizations and associations → Internet | 
| TLO | Technology Licensing Office | In English | → Engineering, technology | 
| TLO | Transport Lourd Offensif | In French | → Military engineering | 
| TLO | Travel Liaison Officer | In English | |
| TLO | Turun Linja-autoilijain Osakeyhtiö (www.tlo.fi) | In Finnish | → Transport and postal services → Finland | 
| TLOBA | Transport Lourd Offensif en Basse Altitude | In French | → Military engineering | 
| TLP | Thread Level Parallelism | In English | → Software | 
| TLS | Transport Layer Security | In English | → Networks, communication | 
| TLS | Time Line Sheet | In English | |
| TLSO | Thoracolumbar Sacral Orthosis Brace | In English | → Pathology | 
| TLU | Threshold Linear Unit | In English | |
| TLV | Target Launch Vehicle | In English | → Astronautics | 
| TLV | Threshold Limit Value | In English | |
| TLV | Transporter-Loader Vehicle | In English | → Vehicle engineering | 
| TM | Thematic Mapper | In English | |
| TM | Transmission & Multiplexing | In English | → Telecommunications | 
| TM | Transplantation Médullaire | In French | → Surgery, orthopaedics, ophthalmology | 
| TM | Task Master | In English | |
| TM | Technical Management | In English | |
| TM | Technical Manual | In English | |
| TM | Technical Memorandum | In English | |
| TM | Test Maintenance | In English | → Maintenance and logistics | 
| TM | Time Management | In English | → Management | 
| TM | Torque Motor | In English | → Vehicle engineering | 
| TM | Traffic Manager | In English | |
| TM | Traffic Model | In English | |
| TM | Turing Machine | In English | → Computer science | 
| TM | Taxe Municipale | In French | → Taxes, duties | 
| TMA | Tissue Micro-Array | In English | → Biotechnology | 
| TMA | Tierce Maintenance Applicative | In French | → Software | 
| TMA | Trans Mediterranean Airways | In English | → Aeronautics, aircraft → Transport and postal services | 
| TMA | Technology Mirror Assembly | In English | |
| TMA | Thermomechanical Analyzer | In English | → Mechanical engineering | 
| TMA | Thrombotic Microangiopathy | In English | → Blood and circulatory system → Pathology | 
| TMA | Terminal Manoeuvre Area | In English | → Aeronautics, aircraft → Transport and postal services | 
| TMA | Target Motion Analysis | In English | → Military engineering | 
| TMAO | Trimethylamine N-Oxide | In English | → Biological sciences | 
| TMAPI | Common Topic Map Application Programming Interface | In English | → Software → Semiotics → Linguistics | 
| TMB | Transportes Metropolitanos de Barcelona | In Spanish | → Transport and postal services → Spain | 
| TMB | Technical Management Board | In English | |
| TMB | Transportation Management Bulletin | In English | → Transport and postal services | 
| TMBU | Table Maintenance Block Update | In English | |
| TMC | Traffic Message Channel | In English | |
| TMC | Test Monitoring Console | In English | |
| TMD | Transport de Matières Dangereuses | In French | → Transport and postal services | 
| TMD | Transports de Marchandises Dangereuses | In French | → Transport and postal services | 
| TMD | Theater Missile Defense | In English | → Military engineering | 
| TMDE | Test, Measurement, and Diagnostic Equipment | In English | → Quality management → Maintenance and logistics | 
| TME | Transfer Multisort Electronic | In English | → Electronics | 
| TME | Team für Marketing-Erfolge | In German | → 659 | 
| TMECO | Time of Main Engine Cutoff | In English | → Astronautics | 
| TMF | Table Mountain Facility | In English | |
| TMF | Training Mission Facility | In English | → Education | 
| TMF | Transporter Maintenance Facility | In English | → Maintenance and logistics | 
| TMF | Terminological Markup Framework | In English | → Linguistics | 
| TMF | Trial Master File | In English | → Pharmacology, toxicology | 
| TMG | Thermal Meteoroid Garment | In English | → Astronautics | 
| TMG | Trident Media Guard | In English | → Artistic property | 
| TMI | Test Method Instruction | In English | |
| TMI | Transmars Injection | In English | → Astronautics | 
| TMI | Taxa de Mortalidade Infantil = ММВБ | Московская межбанковская валютная биржа | In Russian = MICEX | Moscow Interbank Currency Exchange | In English = МБВБ | Мускав банксен валютă биржи | In Chuvash = AKB | Angka Kematian Bayi | In Indonesian = IMR | Infant Mortality Rate | In English = TMI | Taux de Mortalité Infantile | In French = TMI | Taxa de Mortalitat Infantil | In Catalan | In Portuguese | → Statistics → Pediatry | 
| TMI | Taux de Mortalité Infantile = ММВБ, MICEX, МБВБ, AKB, IMR (look above) | In French | → Statistics → Pediatry | 
| TMI | Taxa de Mortalitat Infantil = ММВБ, MICEX, МБВБ, AKB, IMR (look above) | In Catalan | → Statistics → Pediatry | 
| TMIS | Technical Management Information System | In English | → Knowledge management | 
| TMIS | Theater Management Information System | In English | → Knowledge management → Theatre | 
| TMK | Teknologi Maklumat dan Komunikasi = TIC, IKT, ICT (look above) | In Malay | → Computer science → Telecommunications | 
| TML | Total Mass Loss | In English | |
| tML | Tonne de Métal Lourd | In French | → Metallurgy → Nuclear technology | 
| TMM | Thermal Math Model | In English | |
| TMMSN | Texas Marine Mammal Stranding Network (www.tmmsn.org) | In English | → Organizations and associations → Mammals → United States |