| Acronym | Definition |
|---|
| ITWG➣Italian Tourist Web Guide (Lucca, Italy) |
| ITWG➣Intergovernmental Technical Working Group |
| ITWG➣Insider Threat Working Group (security) |
| ITWG➣International Technology Working Group |
| ITWG➣Information Technology Work Group |
| ITWG➣Institutional Training Working Group |
| ITWG➣Interim Working Group |
| ITWG➣Integration and Test Working Group |