| Acronym | Definition |
|---|
| TIC | Ticket |
| TIC | Technologies de l'information et de la Communication |
| TIC | Technologies de l'Information et des Communications (French) |
| TIC | Tecnologías de la Información y las Comunicaciones |
| TIC | Tecnologias de Informação e Comunicação (Portuguese) |
| TIC | Titanium Carbide |
| TIC | Tongue-In-Cheek |
| TIC | Tourist Information Center |
| TIC | Tenancy in Common (finance) |
| TIC | Tecnologías de la Información y Comunicaciones (Spanish: Information Technology and Communications) |
| TIC | Thermal Imaging Camera (used by firefighters, police, and military to detect heat signatures) |
| TIC | Trade Information Center |
| TIC | The Inner Circle |
| TIC | Total Inorganic Carbon |
| tic | Technology Innovation Centre (UCE Birmingham, UK) |
| TIC | Total Ion Current (mass spectrometry) |
| TIC | Troops In Contact |
| TIC | Turfgrass Information Center |
| TIC | Travel Industry Council of Hong Kong |
| TIC | Treasury International Capital System |
| TIC | Toxic Industrial Chemical |
| TIC | True Interest Cost (bond finance) |
| TIC | Time In Class (US State Department) |
| TIC | Trusted Internet Connection (US OMB) |
| TIC | Technology Integration Center (US Army ISEC) |
| TIC | Travel Information Center |
| TIC | Total Installed Cost (total cost of Engineering/Procurement/Construction, EPC) |
| TIC | Tenant Income Certification (tax credit compliance) |
| TIC | Technology Information Center |
| TIC | Taxe Intérieure de Consommation (French: Domestic Consumption Tax) |
| TIC | Traffic Information Centre |
| TIC | Transportation Information Center |
| TIC | Travelers Insurance Company |
| TIC | Travel Insurance Coordinators, Ltd (Toronto, ON, Canada) |
| TIC | Token-ring Interface Coupler |
| TIC | Technical Issues Committee (accounting) |
| TIC | Tantalum-Niobium International Study Center |
| TIC | Tentatively Identified Compound (analytical laboratories) |
| TIC | Tank Industry Consultants (Indianapolis, IN) |
| TIC | Tyre Industry Council (UK) |
| TIC | Travel Information Council |
| TIC | Time Interval Counter |
| TIC | Transvaal Indian Congress |
| TIC | TEL-Instrument Electronics Corp. (Carlstadt, NJ; manufacturer of avionics test equipment) |
| TIC | Telephone Information Center |
| TIC | The Information Channel |
| TIC | Transport Interconnection Charge (FCC) |
| TIC | Trouble Isolation Charge |
| TIC | Tactical Information Coordinator |
| TIC | Test Interface Controller |
| TIC | Technical Integration Center |
| TIC | Technical Information Contact (NIST) |
| TIC | Telecommunications Information Council (State of Alaska) |
| TIC | Technician in Charge |
| TIC | Testing, Inspection and Certification (various organizations) |
| TIC | Tachycardia Induced Cardiomyopathy |
| TIC | The Interdiction Committee |
| TIC | Technical Information Coordinator |
| TIC | Tunnel Information & Control (protocol) |
| TIC | Tactical Intelligence Center |
| TIC | Temperature Indicator Controller (industrial description of a controller) |
| TIC | Toxicology Information Center |
| TIC | Target Information Center |
| TIC | Trouble Involontaire Convulsif (French: Involuntary Convulsive Disorder; film) |
| TIC | Target Intercept Computer |
| TIC | Tijdschrift voor Industriële Cultuur (Dutch: Journal of Industrial Culture; Belgium) |
| TIC | Telephone Initial Claims |
| TIC | Three Island Crossing (Idaho State Park) |
| TIC | Technology International Corporation |
| TIC | Tandem Inter-(LATA) Connecting trunk |
| TIC | Tenderness, Instability, Crepitus |
| TIC | Time Is Capital |
| TIC | Test Item Cluster |
| TIC | Transport Informatic Center (Vietnam) |
| TIC | Transactional Interaction Contract |
| TIC | Terminal Indicate Capability |
| TIC | Toaster Input Controller (Cisco) |
| TIC | Total Item Change |
| TIC | Tehnologiile Informatiei Si Comunicatiei (Romania) |
| TIC | Theater Intelligence Center |
| TIC | Teacher's Individual Credit |
| TIC | Task Interrupt Control |
| TIC | Tape Intersystem Connection |
| TIC | Tactical Internet Center |
| TIC | Target to Image Correlation |
| TIC | Technical Interface Concept |
| TIC | Tenderness, Instability, of Crepitation (trauma examination) |
| TIC | Tactical Internet Configuration |
| TIC | Throttle Input Command |
| TIC | Texas Islamic Court |
| TIC | Trial Intercept Calculations |
| TIC | Timing Interface Card (Sycamore) |
| TIC | Top of Inner Casing (monitoring wells to denote measuring point) |
| TIC | Toxicity Identified Compounds |
| TIC | Turbo Interference Cancellation |
| TIC | Tax Interpretation Circulars |
| TIC | Tracker Illuminator Console |
| TIC | Terminal International Center (ITU-T) |
| TIC | Technical Information Center/Coordinator |
| TIC | Tactical Integration Center |
| TIC | Tactical Interface Computer |
| TIC | Threat Intelligence Community |
| TIC | Training Implementation Checklist |
| TIC | Technical Instructors Course |
| TIC | Technical Interface Certification |
| TIC | Testing and Interoperability Center |
| TIC | Training & Information Co-Ordination |
| TIC | Technology in Context (education) |
| TIC | The Irvine Company (various locations) |
| TIC | Training in Communication (various organizations) |
| TIC | Teknisk Information Centre (Sweden) |
| TIC | The International Coalition (Red River Basin; US and Canada) |
| TIC | Taipei International Church (Taipei, Taiwan) |
| TIC | Transport, Infrastructure and Communities (Infrastructure Canada) |
| TIC | The Techdirt Insight Community (forum) |
| TIC | Together in Christ |
| TIC | The Immaculate Collection (music album) |
| TIC | To Improve Conditions (club) |