| IDT | I Don't Think 
| Others |
| IDT | I Don't Try
| Others |
| IDT | I-load Data Tape
| Others |
| IDT | Identity theft
| Others |
| IDT | Idiots Don't Think
| Others |
| IDT | Ignition Delay Time
| Others |
| IDT | Image Display Tool
| Others |
| IDT | Imagine Doing This
| Others |
| IDT | Impres Desa Tertinggal
| Others |
| IDT | In Der Tat
| Others |
| IDT | Inactive Duty Training
| Others |
| IDT | Incremental Delaunay Triangulation
| Others |
| IDT | Independent Development Trust
| Others |
| IDT | Independent Developmental Tester
| Others |
| IDT | Independent Developmental Testing
| Others |
| IDT | Industrial Development Team
| Others |
| IDT | Information Design And Treatment
| Others |
| IDT | Informational Data Technologies
| Others |
| IDT | Injection Direct Turbo
| Others |
| IDT | Innovation Design and Technical
| Others |
| IDT | Innovative Defense Technologies
| Others |
| IDT | Instructional Design and Technology
| Others |
| IDT | Insulation Displacement Termination
| Others |
| IDT | Integrated Defense Training
| Others |
| IDT | Integrated Design Tools
| Others |
| IDT | Integrated Device Technology
| Others |
| IDT | Integrated Digital Technologies
| Others |
| IDT | Integrated Digital Terminal
| Others |
| IDT | Integrated DNA Technologies
| Others |
| IDT | Intense Dance Time
| Others |
| IDT | Intense Discipleship Training
| Others |
| IDT | Intentionally Defective Trust
| Others |
| IDT | Inter Dimensional Travel
| Others |
| IDT | Interagency Directors Team
| Others |
| IDT | International Discount Telecommunications
| Others |
| IDT | Internet Development Team
| Others |
| IDT | Interrupt Description Table
| Others |
| IDT | Interrupt Descriptor Table
| Others |
| IDT | Interrupt Dispatch Table
| Others |
| IDT | Intrinsic Deflection Time
| Others |
| IDT | Introduction of the Digital Tachograph
| Others |
| IDT | Israel Daylight Time
| Others |
| IDT | Israeli Day Time
| Others |
| IDT | Israeli Daylight Time
| Others |
| IDT | Italian Drinking Team
| Others |