| Acronym | Definition |
|---|
| ITA | I Totally Agree |
| ITA | Italian (language) |
| ITA | International Trade Administration |
| ITA | Italy (ISO Country code) |
| ITA | Intercollegiate Tennis Association |
| ITA | Industry Training Authority (British Columbia, Canada; also seen as ITABC) |
| ITA | Individual Training Account |
| ITA | Income Tax Act |
| ITA | International Trombone Association |
| ITA | Inspection Training Associates (school for home inspectors) |
| ITA | Instituto Tecnológico de Aeronáutica (São José dos Campos, SP, Brazil) |
| ITA | Information Technology Agreement |
| ITA | International Tunnelling Association |
| ITA | Internal Thoracic Artery |
| ITA | Information Technology Association |
| ITA | International Trade Association |
| ITA | Indoor Tanning Association |
| ITA | Institute of Technology Assessment |
| ITA | Information Technology Authority (Oman) |
| ITA | Industrial Truck Association |
| ITA | Independent Television Authority |
| ITA | Industrial Telecommunications Association |
| ITA | Institute for Transnational Arbitration |
| ITA | Integrated Transport Authority (UK) |
| ITA | Intruder Alert |
| ITA | Invitation to Apply |
| ITA | Initial Teaching Alphabet |
| ITA | International Titanium Association |
| ITA | If Time Allows |
| ITA | Intermountain Therapy Animals |
| ITA | Indian Tea Association |
| ITA | International Tennis Association |
| ITA | Infertility Treatment Authority (Australia) |
| ITA | Information Theory and Applications (workshop) |
| ITA | International Telegraph Alphabet |
| ITA | Iowa Telecommunications Association |
| ITA | Israel Translators Association (Tel Aviv, Israel) |
| ITA | Institut du Transport Aérien (French: Institute of Air Transport) |
| ITA | Interface Test Adapter |
| ITA | Instituto Tecnológico de Aguascalientes (Mexico) |
| ITA | International TaeKwonDo Alliance |
| ITA | invasive trophoblast antigen |
| ITA | Indiana Telecommunications Association |
| ITA | Industrial Technology Advisor |
| ITA | Illinois Telecommunications Association |
| iTA | Independent Technical Authority |
| ITA | Inside the Army (publication) |
| ITA | Information Technology Assessment |
| ITA | Intention-To-Treat Analysis |
| ITA | Israeli Tax Authority |
| ITA | Instrumentation Technology Associates, Inc. |
| ITA | Information Throughput Adaptation |
| ITA | Innovative Technology Application, Inc. |
| ITA | Independent Technical Assessment |
| ITA | Independent Testing Agency |
| ITA | International Teleconferencing Association |
| ITA | International Television Association |
| ITA | International Telecommunication Academy (Russia) |
| ITA | Intertribal Transportation Association (various locations) |
| ITA | International Tape Association (now Content Delivery & Storage Association) |
| ITA | Integrated Training Architecture |
| ITA | International Twins Association |
| ITA | International Touring Alliance |
| ITA | Indiana Township Association |
| ITA | Infrastructure Technology and Applications |
| ITA | Israel Tennis Association |
| ITA | Invitational Travel Authorization |
| ITA | International Type Approval |
| ITA | Instrumentation Technology Association |
| ITA | Intelligent Task Automation |
| ITA | Interactive Television Association |
| ITA | Institute of Tax Administration |
| ITA | Istituto Tecnológico de Aeronáutica |
| ITA | International Tutoring Association (Claremont, California) |
| ITA | Intelligence & Threat Analysis (US State Department) |
| ITA | Inner Transport Area |
| ITA | Igoss Telecommunications Arrangement |
| ITA | Integrated Test Adapter |
| ITA | Impact Tester Addition |
| ITA | International Telenurses Association |
| ITA | Incoming Target Alarm |
| ITA | Innovative Technology Advocates (USACE) |
| ITA | Integrated Technology Architecture |
| ITA | Il-Do Tae-Kwon-Do Association |
| ITA | Institute of Transport Aviation |
| ITA | Interactive Television Appliance |
| ITA | Interference and Traffic Adaptive |
| ITA | Integrated Training Administration |
| ITA | Internal Teletypewriter Alphabet |
| ITA | Individual Task Assignment |
| ITA | Institute for Technology & Aesthetics (California) |
| ITA | International Travel Account (Canada) |
| ITA | Ideas to Action (various universities) |
| ITA | International Travel Agency (various locations) |
| ITA | Idaho Trucking Association (est. 1934) |
| ITA | Information Technology Advisor (various organizations) |
| ITA | International Trade Adviser (UK) |
| ITA | Investment Tax Allowance (Malaysia) |
| ITA | Independent Theatre Association (Australia) |
| ITA | Identity and Trust Assurance |