| Acronym | Meaning |
| ITT | Incapacité Totale de Travail (French: Total Incapacity to Work) |
| ITT | Independent Technical Training |
| ITT | Information and Telecommunication Technologies (National Research Council, Canada) |
| ITT | Information, Tickets and Tours |
| ITT | Information, Tour, and Travel |
| ITT | Innovative Treatment Technology (US EPA) |
| ITT | Instructor Trainer |
| ITT | Integrated Technology Thrust |
| ITT | Integrated Test Team |
| ITT | Integrated Training Team |
| ITT | Inter Theater Transfer |
| ITT | International Technology Transfer |
| ITT | Interrogation and Translation Team |
| ITT | Interrogation/Interrogator Translator Team (USMC) |
| ITT | Interstage Turbine Temperature |
| ITT | Intertype Training |
| ITT | Introduction to Tactics and Techniques (US Army basic training) |
| ITT | It Takes Time |