| ITaaS | IT as a Service | |
| ITAAT | Information Technology Applied to Adult Training | |
| ITAB | Intermodal Transportation Advisory Board | |
| ITAB | Information Technology Advisory Board | |
| ITAB | Industry Training Advisory Bodies | |
| ITAB | ʿIṭāb | |
| ITAB | Industry Training Association Building | |
| ITAB | Industry Training Advisory Body | |
| ITAB | International TECHstyle Art Biennial | |
| ITAB | Individualized texting for adherence building | |
| ITABs | Industry Training Advisory Bodies | |
| ITAC | Intelligence Threat and Analysis Center | |
| ITAC | Instructional Technology and Academic Computing | |
| ITAC | Information Technology Advisory Council | |
| ITAC | Individual Training And Consulting | |
| ITAC | Intelligence and Threat Analysis Center (Army) | |
| ITAC | Intertial Thrust Asymmetry Compensation | |
| ITACC | Improved Tactical Air Command Center | |
| ITACCS | International Trauma Anesthesia and Critical Care Society | |
| ITACCS | International Trauma, Anaesthesia, and Critical Care Society | |
| ITACS | Import Trade Auxiliary Communications System | |
| ITACS | Integrated Tactical Air Control System | |
| ITACS | Import Trade Auxiliary Communication System | |
| ITACS | Information Technology at Continuing Studies | |
| ITACS | Integrated Tactical Area Communications System |
