| Acronym | Definition |
|---|
| IDST➣Interdisciplinary Studies |
| IDST➣I Don't See That |
| IDST➣Inverse Discrete Sine Transform (mathematics) |
| IDST➣I Didn't Say That |
| IDST➣If Destroyed Still True (used in class rooms, blackboard shorthand and graffiti) |
| IDST➣Institute of Defence Scientists and Technologists (India) |
| IDST➣Instrument Development Science Team (US NASA) |
| IDST➣Integrated Digital Services Terminal |
| IDST➣Intra-Dermal Skin Test |
| IDST➣Information et Documentation Scientifiques et Techniques (French) |
| IDST➣International Deaf Squash Tournament |
| IDST➣Integrated Digital Skills Trainer |