HSFS
| 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) |