| Acronym | Definition |
|---|
| ITC | Indian Tobacco Company (formerly Imperial Tobacco Company of India Ltd.) |
| ITC | International Trade Commission |
| ITC | International Trade Centre |
| ITC | International Typeface Corporation |
| ITC | Independent Television Commission (England) |
| ITC | Information Technology Center |
| ITC | Investment Tax Credit |
| ITC | Infrared Training Center (North Billerica, MA) |
| ITC | Information Technology Committee (Records Management Association of Australia, RMAA) |
| ITC | In the Car |
| ITC | Isothermal Titration Calorimetry |
| ITC | International Teletraffic Congress |
| ITC | International Test Conference |
| ITC | International Teledemocracy Centre (Napier University, Edinburgh) |
| ITC | In-The-Canal (hearing aid) |
| ITC | Instructional Technology Center |
| ITC | Istituto per le Tecnologie della Costruzione (Italian) |
| ITC | Istituto Trentino di Cultura |
| ITC | Instrumental Transcommunication |
| ITC | Input Tax Credit (Canadian GST refund for businesses) |
| ITC | Instructor Training Course |
| ITC | International Test Commission |
| ITC | Institute of Texan Cultures |
| ITC | Information Technology Commission |
| ITC | Innovation and Technology Commission (Hong Kong) |
| ITC | Invitation to Comment |
| ITC | Inclusive Tour Charter (Canadian Transportation Agency) |
| ITC | Inuit Tapirisat of Canada |
| ITC | International Training in Communication (nonprofit organization teaching speech improvement and leadership training; Anaheim, California) |
| ITC | Interagency Testing Committee (US EPA) |
| ITC | Information Technology Consultant |
| ITC | International Telemetering Conference |
| ITC | International Technology Corporation |
| ITC | International Trypanotolerance Centre (Banjul, The Gambia) |
| ITC | International Theological Commission |
| ITC | Intertribal Timber Council |
| ITC | Independent Telephone Companies |
| ITC | Industrial Training Center (various locations) |
| ITC | International Tin Council |
| ITC | Instrumentation Tray Cable |
| ITC | International Technology Center |
| ITC | Infantry Training Centre |
| ITC | Illawarra Technology Corporation (Australia) |
| ITC | Internet Telephony Consortium |
| ITC | India Telephone Card |
| ITC | Institute for Traffic Care |
| ITC | Intensive Training Course |
| ITC | International Telecomputing Consortium |
| ITC | Information Technology Club |
| ITC | Inter-Task Communication |
| ITC | Instituto Tecnico Central |
| ITC | International Teaching Centre (Institution of the Baha'i Faith) |
| ITC | Independent Treatment Centre |
| ITC | International Telecom Center |
| ITC | Innovative Technology Council (EPA) |
| ITC | Iranian Tobacco Company |
| ITC | Ideal Toy Company |
| ITC | Integrated Technologies Committee (IHETS) |
| ITC | International Translation Center (Washington, DC) |
| ITC | Integrated Transfer Case (automotive industry) |
| ITC | Intelligent Top Cap |
| ITC | International Training Course in Security Policy |
| ITC | Intellisys Technology Corporation |
| ITC | Irak Turkmen Cephesi (Turkish: Iraqi Turkmen Front) |
| ITC | International Television Center |
| ITC | Island Taekwon-Do Centre (Singapore) |
| ITC | International Taekwondo Council |
| ITC | Indefinite-Term Contract (EU Labour) |
| ITC | Inner Thigh Clearance |
| ITC | International Transit Center |
| ITC | Interactive Teleservices Corporation |
| ITC | Insurance Testing Center (insurance) |
| ITC | Information Transfer Center |
| ITC | Image Transfer Controller |
| ITC | International Transport Committee |
| ITC | Individual Training Configuration |
| ITC | Imperial Tobacco Company of India Ltd. (now Indian Tobacco Company) |
| ITC | Institute of Training Concern (Bangladesh) |
| ITC | Instrument Technology Center (NASA) |
| ITC | Intensive Therapy Centre (Pakistan) |
| ITC | Integrated Turbine Control |
| ITC | Incoming Trunk Characteristics |
| ITC | Integrated Throttle Control |
| ITC | Integrated Training Capability |
| ITC | Instrumentation Temperature Controller |
| ITC | Intelligence Training Consolidation |
| ITC | Input Type Class |
| ITC | Indianapolis Telephone Company |
| ITC | Input Trigger Connector (Agilent) |
| ITC | Initial Target Cost (government contracting) |