| Acronym | Definition |
|---|
| ITT | Initial Teacher Training (UK) |
| ITT | Invitation To Tender |
| ITT | I Think That |
| ITT | Institute of Technology Tralee (Ireland) |
| ITT | Individual Time Trial (professional cycling) |
| ITT | It's Time To |
| ITT | Intention-To-Treat |
| ITT | In This Thread (forums) |
| ITT | In This Topic |
| ITT | It Takes Time |
| ITT | Incapacité Totale de Travail (French: Total Incapacity to Work) |
| ITT | Insulin Tolerance Test |
| ITT | Institute of Textile Technology |
| ITT | Information, Tickets and Tours |
| ITT | Institute of Travel and Tourism |
| ITT | Integrated Test Team |
| ITT | Instructor Trainer |
| ITT | Information Technology Team |
| ITT | International Technology Transfer |
| ITT | Information Technology Tools |
| ITT | Inter-Turbine Temperature |
| ITT | Introduction To Technology (school subject) |
| ITT | Information and Telecommunication Technologies (National Research Council, Canada) |
| ITT | Immune Tolerance Therapy |
| ITT | Invitation to Transmit |
| ITT | Interstage Turbine Temperature |
| ITT | Integrated Training Team |
| ITT | Information, Tour, and Travel |
| ITT | Isosceles Triangle Theorem |
| ITT | It's Tool Time |
| ITT | International Telephone & Telegraph Company |
| ITT | Inter Theater Transfer |
| ITT | Integrated Technology Thrust |
| ITT | Integration Test Team |
| ITT | Inter-Tank Transfer |
| ITT | Independent Technical Training |
| ITT | Independent Testing Team |
| ITT | In-plant Throughput Test |
| ITT | Interrogation and Translation Team |
| ITT | Interrogation/Interrogator Translator Team (USMC) |
| ITT | Isotopic Tracer Technology |
| ITT | Intertype Training |
| ITT | Introduction to Tactics and Techniques (US Army basic training) |
| ITT | International Thief Thief (Fela Kuti song) |
| ITT | In the Trenches |
| ITT | Interval Transit Time |
| ITT | Instruction to Tenderers (contract) |
| ITT | Interruption Temporaire de Travail (French: Temporary Interruption of Work) |