ISLD
| Acronym | Definition |
|---|---|
| ISLD | International School Library Day (est. 1999) |
| ISLD | Inter-Service Liaison Department (US Navy) |
| ISLD | Island ECN, Inc. (stock symbol) |
| ISLD | Idaho State Liquor Dispensary (Boise, ID) |
| ISLD | International Society for Lasers in Dentistry |
| ISLD | Institute for the Study of Learning Difficulties (Australia) |
| ISLD | Inter-Stimulus Level Difference (auditory medicine) |
| ISLD | Interaural Sensation Level Difference (auditory medicine) |