| Abbreviation | Definition |
|---|---|
| ITE | Information Technology Equipment |
| ITES | Information Technology Enterprise Solutions |
| ITGI | IFFCO Tokio General Insurance |
| ITGWU | Irish Transport and General Workers Union |
| ITGWU | Irish Transport General Workers Union |
| ITIL | Information Technology Infrastructure Library |
| ITIS | Integrated Taxonomic Information System |
| ITL | Information Technology Laboratory |
| ITLD | International Top-Level Domain |
| ITM | Intelligent Tool Management |
| ITMRA | Information Technology Management Reform Act |
| ITRC | Information Technology Requirements Council |
| ITS | Information Technology Standard |
| ITS | Intelligent Transportation System |
| ITSP | Information Technology Strategy Planning |
| ITV | Interactive TeleVision |
| IU | Imaging Unit |
| IUEQ | Intelligent User Experience Questionnaire |
| IUER | Infrastructure User Entitlement Review |
| IUK | Information Und Kommunikation |