| ISIT | IEEE International Symposium on Information Theory 
| Others |
| ISIT | Indiana Summer Institute For Technollogy
| Others |
| ISIT | Indiana Summer Institute for Technology
| Others |
| ISIT | Information Services Instructional Technology
| Others |
| ISIT | Information Systems and Information Technology
| Others |
| ISIT | Ink Surface Interaction Tester
| Others |
| ISIT | Institute for Silicon Technology
| Others |
| ISIT | Instituto Superior de Interpretes y Traductores
| Others |
| ISIT | Intensified Silicon Intensified Target
| Others |
| ISIT | Interagency Spatial Information Team
| Others |
| ISIT | International Symposium on Information Theory
| Others |
| ISIT | International Symposium on Ion Therapy
| Others |
| ISIT | Internetowy System Informacji Turystcznej
| Others |
| ISIT | Interreligious Studies and Intercultural Theology
| Others |
| ISIT | IOC Solutions and Implementation Team
| Others |
| ISIT | Iron and Steel Institute of Thailand
| Others |
| ISIT | ISIT stands for IEEE International
| Others |