| Acronym | Definition |
|---|
| HSDL➣Homeland Security Digital Library |
| HSDL➣High-Speed Data Link |
| HSDL➣High Speed Data Line |
| HSDL➣Halifax Share Dealing Limited (UK) |
| HSDL➣Hierarchical Scan Description Language |
| HSDL➣High School Distance Learning (Kirkwood Community College; Cedar Rapids, IA) |
| HSDL➣Het Schip de Lading (Dutch: Cargo Ship) |
| HSDL➣Harvard Sciences Digital Library (Harvard University; Boston, MA) |