| Acronym | Definition |
|---|
| ITCS | Information Technology and Computer Science |
| ITCS | Institute for Theoretical Computer Science (China) |
| ITCS | Ignition Timing Control System |
| ITCS | It and Computing Service |
| ITCS | Incremental Train Control System (railroads) |
| ITCS | Information Technology Customer Service (various organizations) |
| ITCS | Information Technology Central Services (University of Michigan) |
| ITCS | Italian Computer Society |
| ITCS | Information Technician Chief Senior (US Navy) |
| ITCS | Internal Thermal Control System |
| ITCS | Integrated Target Control System |
| ITCS | Intermodal Transport Control System |
| ITCS | Information Technology Contracting Staff |
| ITCS | Impact Tested Carbon Steel |