| Acronym | Definition |
|---|
| ITD | Income Tax Department (various locations) |
| ITD | Infant/Toddler Development (various organizations) |
| ITD | Inception To Date |
| ITD | Idaho Transportation Department |
| ITD | Information Technology and Disabilities (Journal) |
| ITD | Institute for Tropical Diseases (Singapore) |
| ITD | Interaural Time Difference |
| ITD | Information Technology Division (MMDS) |
| ITD | Information Technology Division (at NRL) |
| ITD | I Tak Dalej (Polish: And So On) |
| ITD | Industrial Technology Division (EPA) |
| ITD | International Trade Data System (US Treasury department) |
| ITD | Istituto per le Tecnologie Didattiche (Italy, CNR) |
| ITD | International Tax Dialogue |
| ITD | Impedance Threshold Device (cardiopulmonary resuscitation) |
| ITD | Information Transfer Delay |
| ITD | Industrial Technology Development (World Bank) |
| ITD | Information Technology Director |
| ITD | I Tako Dalje (Serbian/Croatian: And So On) |
| ITD | Interaural Time Delay |
| ITD | Intermodal Transportation Division (Arizona) |
| ITD | Instytut Technologii Drewna (Polish: Institute of Wood Technology) |
| ITD | International Translation Day (International Federation of Translators) |
| ITD | Initial Transfer Date (taxes) |
| ITD | Inter-Type Declaration (programming) |
| ITD | International Training and Development (various organizations) |
| ITD | International Trade Division |
| ITD | Instituto Tecnológico de Durango (Spanish: Technological Institute of Durango; Durango, Mexico) |
| ITD | Integrated Technology Development |
| ITD | International Institute for Trade and Development (Thailand) |
| ITD | International Trade Department |
| ITD | Interim Terrain Data |
| ITD | Individual Training Directorate (Assistant Deputy Chief of Staff - Training; TRADOC, US Army) |
| ITD | Institute for Training and Development (various locations) |
| ITD | Ion Trap Detector |
| ITD | Interaural Temporal Difference (sound) |
| ITD | International Travel Documents (passport agency) |
| ITD | Institute for Technology Development |
| ITD | Interim Technical Directive |
| ITD | In Too Deep |
| ITD | Infectious and Tropical Diseases |
| ITD | Ignore Target Defense (Diablo II gaming) |
| ITD | Incremental Theory of Diffraction |
| ITD | Internal Turret Disconnectable (oil production) |
| ITD | Input Transition Detection |
| ITD | Innovative Technology of Design |
| ITD | Information Technologies for Development (various organizations) |
| ITD | Inspection Test Date |
| ITD | In Thy Dreams (band) |
| ITD | Interim Terrain Database |
| ITD | Innovative Technologies by Design, Inc. (food safety management) |
| ITD | Interface Telecom Domotique |
| ITD | Income Tax Tribunal Decisions (India) |
| ITD | Instruction To Defense |
| ITD | Implementation Test Dependency |
| ITD | Integrated Tactical Display |
| ITD | Integrated To-Date |
| ITD | Integration Test & Demonstration |