| Acronym | Definition |
|---|
| HSFS➣High Sierra File System |
| HSFS➣Hazardous Substance Fact Sheet |
| HSFS➣High Speed Flight Station |
| HSFS➣Hull Sonar Functional Segment |
| HSFS➣Helsingin Science Fiction Seuran (Finnish: Helsinki Science Fiction Society; Finland) |
| HSFS➣Hampshire Shared Financial Services (National Health Service; UK) |