ITSL
| Acronym | Definition |
|---|---|
| ITSL | Information Theory and Statistical Learning (interdisciplinary conference) |
| ITSL | Initial Threshold Screening Level (state air quality standard) |
| ITSL | International Trade Shows Link (exhibition agency organization; Hemel Hempstead, England, UK) |
| ITSL | Invision Top Site List |
| ITSL | Independent Technology Systems Limited (UK) |
| ITSL | Integrated Technology Solutions Limited |
| ITSL | International Trade Services, Ltd. |