| Acronym | Definition |
|---|
| TC | Teachers College |
| TC | Turks and Caicos Islands (ISO country code) |
| TC | United Arab Emirates |
| TC | Telecommunications |
| TC | Terms & Conditions (law) |
| TC | Technical Committee |
| TC | Take Care |
| TC | Twin Cities (Minnesota) |
| TC | Type Certificate |
| TC | Transport Canada |
| TC | Tetracycline |
| TC | Test Case (testing methodology) |
| TC | Thermocouple |
| TC | Total Chances (baseball statistics) |
| TC | Tax Credit |
| Tc | Technetium |
| TC | Technology Center |
| TC | Time Capsule |
| TC | Traffic Control |
| TC | Training Camp |
| TC | Total Cost |
| TC | The Cure (UK band) |
| TC | Technology Corporation |
| TC | Tom Cruise |
| TC | Treatment Center |
| TC | Technical Communication |
| TC | Tachycardia |
| TC | Tribunal Constitucional (Portuguese constitutional court) |
| TC | Tropical Cyclone |
| TC | Trusted Computing |
| TC | Town and Country |
| TC | Total Commander (file manager software) |
| TC | Tissue Culture |
| TC | Total Cholesterol |
| TC | Temperature Control |
| TC | Traveler's Check |
| TC | Thread Count (fabric) |
| TC | Technology Company |
| TC | Thermal Conductivity |
| TC | Teleconverter (photography lens) |
| TC | Time Clock |
| TC | The Clash (band) |
| TC | Technical Cooperation |
| TC | Time Capsule (Apple backup appliance) |
| TC | Time Code |
| TC | Training Centre (see CGTC) |
| TC | Telecommunications Council |
| TC | Testicular Cancer |
| TC | Transfer Credit (education) |
| TC | Transmission Control |
| TC | Traction Control |
| TC | Temperature Coefficient |
| TC | Telecine |
| TC | Twin Cam |
| TC | Telephone Call |
| TC | Tom Clancy (author) |
| TC | Training and Certification |
| TC | Trinity College |
| TC | Terminal Card |
| TC | Town Centre (Age of Empires II game) |
| TC | Tax Court |
| TC | Toner Cartridge |
| Tc | Case Temperature |
| TC | Time Constant |
| TC | Critical Temperature |
| TC | Tri-Cities (Washington) |
| TC | Trading Card |
| TC | Transcontinental |
| TC | Technical Center |
| TC | Transfer Case (vehicle auxiliary 4WD transmission) |
| TC | Total Conversion (computer games) |
| TC | Temperature Controller |
| TC | Trust Center (informatics) |
| TC | Torque Converter (automotive automatic transmission) |
| TC | Time Check |
| TC | Tax Code |
| TC | That's Cool |
| TC | Too Cool |
| TC | Transportation Company (US Army) |
| TC | Therapeutic Community |
| TC | Total Carbon (TIC + TOC) |
| TC | Time Charter (shipping term) |
| TC | Transaction Code |
| TC | Thermal Control |
| TC | Total Credit (distributive computing; tax calculations) |
| TC | Tentative Consensus |
| TC | Thompson/Center (gun company) |
| TC | Top Cat |
| TC | Tronc Commun |
| TC | Tropic of Capricorn |
| TC | Test Coverage |
| TC | Technical Characteristics |
| TC | Thermal Cycling (accelerated life test) |
| TC | Trilateral Commission |
| TC | The Conquerors (Microsoft Age of Empires expansion pack) |
| Tc | Core Temperature |
| TC | Air Tanzania (IATA airline code) |
| TC | Transmission Convergence (ATM) |
| TC | Tusculum College (Greeneville, TN) |
| TC | Traffic Conditioner |
| TC | Transaction Coordinator (real estate) |
| TC | Terminal Controller |
| TC | Tical (former currency of Thailand) |
| TC | Transitive Closure |
| TC | Traffic Calming (devices) |
| TC | Topology Change (Cisco) |
| TC | Truck Camper |
| TC | Test Control |
| TC | Tierra Comunera (Castilian Nationalist Party) |
| TC | Training Coordinator |
| TC | Telecommand |
| TC | Texarkana College (Texarkana, Texas, USA) |
| TC | Toxicity Characteristic |
| TC | Tesla Coil |
| TC | Terminal Count |
| TC | Temple City (California) |
| TC | Trellis Coded |
| TC | Technology Coordinator |
| TC | Technical Coordinator |
| TC | Tell City (Indiana) |
| TC | Technology Commercialization |
| TC | Tom Cat |
| TC | Trace Cache |
| TC | Traffic Collision |
| TC | Transaction Capabilities |
| TC | Transportation Coordinator |
| TC | Take Cover |
| TC | Truck Company |
| TC | Training Circular |
| TC | Turbo Coupe (Ford Thunderbird Model) |
| TC | Total Communication (concept for teaching deaf children) |
| TC | Total Coliforms |
| TC | Technical Centre |
| TC | Tactical Communications |
| TC | Type Classification |
| TC | Tank Commander |
| TC | Time Crisis (gaming) |
| TC | Transportation Corps |
| TC | Transportation Command |
| TC | Tantalum Capacitor |
| TC | Transcanadienne (road across Canada) |
| TC | Teamsters Canada |
| TC | Text Corpora (Project) |
| TC | TouchChip (biometric sensor) |
| TC | Teacher Consultant |
| TC | Telecommunities Canada |
| TC | Team Chief (aerospace) |
| TC | Trabuco Canyon (California) |
| TC | Toxic Concentration (TC50 = 50% of the population or TClo = low) |
| TC | Technical Clarification (aka Technical Query) |
| TC | Track Commander |
| TC | Tropic of Cancer |
| TC | Turbo Code |
| TC | Tri-Clover |
| TC | Test Component (TTCN) |
| TC | Traffic Camera |
| TC | Traditional Course |
| TC | Tidal Current |
| TC | Target Concentration |
| TC | Trial Counsel |
| TC | Telecommunications Closet (Pentagon Renovation Project) |
| TC | Technecium |
| TC | Temperature Compensating |
| TC | Trouble Call |
| TC | Transit Corridor |
| TC | Transit Case |
| TC | Trusteeship Council (UN) |
| TC | Türkiye Cumhuriyeti Devleti (Republic of Turkey) |
| TC | Transaction Count |
| TC | Triple Champion |
| TC | Tasa de Cambio (Spanish) |
| TC | Test Controller |
| TC | Time Capture |
| TC | Transfer Certificate (schools) |
| TC | Tougaloo College (Jackson, MS) |
| TC | Thermal Cutting (welding) |
| TC | Terminal Computer |
| TC | Test Conductor |
| TC | ton carbon |
| TC | Tandy Corporation |
| TC | Troop Commander |
| TC | Telefilm Canada |
| TC | Total Calls (made) |
| TC | Thermal Coupling |
| TC | Turkiye Cumhuriyeti (Republic of Turkey) |
| TC | Turn Coordinator |
| TC | Transportation Code |
| TC | Ticket Collector |
| TC | Trajectory Control |
| TC | Test Coordinator |
| TC | Telecommunications Specialist |
| TC | Transformational Communications |
| TC | Team Commander (Canadian air, army, sea cadets) |
| TC | Toll Center |
| TC | Tango Charlie |
| TC | Top Coder |
| TC | Time Cube |
| TC | Trip Current (minimum current that will trip a fuse) |
| TC | Touring Convertible (Chrysler/Maserati) |
| TC | Ticket Checker (train) |
| TC | Traffic Category |
| TC | Thundercracker |
| TC | Topic-Creator (message boards) |
| TC | Tolerable Concentration |
| TC | Triple Crochet |
| TC | Tribunal de la Concurrence (Canadian Competition Tribunal) |
| TC | Technical Circular |
| TC | Tactical Computer |
| TC | Takeshi's Castle (Japanese gameshow) |
| TC | Tandem Club (UK) |
| TC | Transaction Central (web-based credit card terminal) |
| TC | Top of Curb |
| TC | Twin Carbs |
| TC | Trial Color (philatelic proof copy) |
| TC | Trinamul Congress (Indian political party) |
| TC | Travancore-Cochin (former state in India, presently Part of Kerala) |
| TC | Tranche Conditionnelle (Marchés Publics) |
| TC | Training Counselor |
| TC | Trinity Cross |
| TC | Tender Crisp (Burger King chicken sandwich) |
| TC | Transliterating Certificate |
| TC | Tactical Coordinator |
| TC | Tsunami Channel (webcomic) |
| TC | Tactical Chunder |
| TC | Technical Contradiction |
| TC | Transgressive Computing (conference) |
| TC | Transport Collect |
| TC | Time Chasers (movie) |
| TC | Transition Component |
| TC | Terylene Cotton |
| TC | Target Console |
| TC | Terrorism Counteraction |
| TC | Turbo Convolutional |
| TC | Tomlinson College |
| TC | Territorial Command |
| TC | Tamper Circuit |
| TC | Tauren Cheiftain (gaming) |
| TC | Test/Control Flag |
| TC | TinyChat (Internet chat system) |
| TC | Till Countermanded |
| TC | Turret Captain |
| TC | Turk Cypriot |
| tC | Tonelada de Carbono Equivalente (Spanish: tons of carbon equivalent) |
| TC | Terminology Coordinator |
| TC | Tangent-to-Curve Point |
| TC | Tachometer Constant |
| TC | Tennessee Central Railway Company |
| TC | Telecommunication Coordinator |
| TC | True Chaotic (gaming) |
| TC | Trivandrum Corporation (India Government) |
| TC | Travel Class of Service |
| TC | Throttle Characteristic |
| TC | Transit Canal |
| TC | Test Comprehensiveness |
| TC | Translogistique Canada |
| TC | Training Center/Circular/Concept |
| TC | Tactical Chat |