ISTL
| Acronym | Definition |
|---|---|
| ISTL | Issues in Science and Technology Librarianship |
| ISTL | Information Sciences and Technologies Laboratory (Palo Alto, CA) |
| ISTL | Integrated Standardized Training Listing |
| ISTL | Information Sciences and Technologies Lab |
| ISTL | Institute of International Shipping and Trade Law (Swansea University; Wales, UK) |
| ISTL | Immune System Therapeutics Ltd. (Ultimo, New South Wales, Australia) |