| Abbreviation | Definition |
|---|---|
| ITSL | Information Technology Security Laboratory |
| ITSL | Information Technology Society and Law |
| ITSME | Industrial Technology Supply for Mechanical and Electrical |
| ITSN | Information Technology Society Nepal |
| ITSR | Information Technology Strategic Research |
| ITSS | Information Technology Shared Services |
| ITSS | Information Technology Support Services |
| ITSS | Information Technology Systems and Services |
| ITSS | Instructional Technology Support Services |
| ITSS | Integrated Technology Support Services |
| ITSSM | IT Service Support Management Tools |
| ITST | Image Text Sound and Technology |
| ITST | Institute for Terahertz Science and Technology |
| ITT | Initial Type Testing |
| ITT | Institute of Technology Tralee |
| ITT | Institute of Textile Technology |
| ITTC | Information Technology Training Center |
| ITTC | Innovation Technology training center |
| ITTC | Italian Tools Technology Company |
| ITTE | Information Technology in Teacher Education |