| Acronym | Definition |
|---|
| ITRS➣International Technology Roadmap for Semiconductors |
| ITRS➣International Terrestrial Reference System |
| ITRS➣Intersection Types and Related Systems (workshop) |
| ITRS➣International Transaction Reporting System (EU) |
| ITRS➣International Technical Rescue Symposium |
| ITRS➣Integrated Technology Recovery Service |
| ITRS➣Individual Training and Readiness System (Army database) |