| Acronym | Definition |
|---|
| ITSD | Information Technology Service Delivery (various organizations) |
| ITSD | Information Technologies and Services Division |
| ITSD | Information Technology Services Division (Montana government) |
| ITSD | Information Technology Services Department |
| ITSD | International Thylacine Specimen Database |
| ITSD | Individual Training Support Directorate (Army Training Support Center, TRADOC, US Army) |
| ITSD | Information Technology Solutions Division (California) |
| ITSD | Intelligent Transportation Systems Division (State Highway Administration; Maryland) |
| ITSD | Interrupted Time-Series Design (research approach) |