| Acronym | Definition |
|---|
| IDSL➣ISDN Digital Subscriber Line |
| IDSL➣ISDN (Integrated Services Digital Network) Digital Subscriber Line |
| IDSL➣Integrated Data Services Limited (est. 1988; Nigerian National Petroleum Corporation) |
| IDSL➣Internet Domain Services Limited (UK) |
| IDSL➣Internet Digital Subscriber Line |
| IDSL➣Insurance Database Services Ltd. (UK) |