| Acronym | Definition |
|---|
| ITSS | Information Technology Services and Solutions (various organizations) |
| ITSS | Indirect Tensile Strength (engineering) |
| ITSS | Information Technology Services Support (various locations) |
| ITSS | Information Technology Security Specialist |
| ITSS | Integrated Total Security Solutions |
| ITSS | Infotech Storage System |
| ITSS | Information Technology Systems and Services |
| ITSS | Information Technology Solutions and Services (various organizations) |
| ITSS | Information Technology Systems and Solutions |
| ITSS | Instructional Technology Support Services (various locations) |
| ITSS | Intelligent Transportation Systems Society (IEEE) |
| ITSS | Improved Thermal Sight System (USMC) |
| ITSS | Information Technology Solutions Shop (GSA) |
| ITSS | Information Technology Support Services contract |
| ITSS | Integrated Tactical Surveillance System |
| ITSS | Information Technology Systems Specialist |
| ITSS | Improved Tactical Surveillance Sonobuoy |