| Acronym | Definition |
|---|
| ISDC➣International Space Development Conference |
| ISDC➣Integral Science Data Centre (Geneva, Switzerland) |
| ISDC➣International Security and Development Center (Berlin, Germany) |
| ISDC➣International Student Design Competition (est. 1986) |
| ISDC➣Irish Subaru Drivers Club |
| ISDC➣Information System Development Center (Australia) |
| ISDC➣International Sequence Database Collaboration |