| Abbreviation | Definition |
|---|---|
| IST | Information Services and Technology |
| IST | Information Systems and Technology |
| IST | Information Systems Technology |
| IST | Innovative Sensor Technology |
| IST | Institute of Science and Technology |
| IST | Institute of Spring Technology |
| ISTA | Information Science and Technology Abstracts |
| ISTA | Institute Of Space Technology And Aeronautics |
| ISTB | Institute for Surgical Technology and Biomechanics |
| ISTB | Interdisciplinary Science Technology Building |
| ISTC | Illinois Science Technology Coalition |
| ISTC | Illinois Sustainable Technology Center |
| ISTC | Intel Science and Technology Center |
| ISTC | Intel Science and Technology Centers |
| ISTC | Intel Science Technology Center |
| ISTCS | Idaho Science and Technology Charter School |
| ISTCS | Idaho Science Technology Charter School |
| ISTD | Information Systems Technology and Design |
| ISTD | Instrument Systems and Technology Division |
| ISTE | International Society for Technology in Education's |