HSAS
| Acronym | Definition |
|---|---|
| HSAS | High Speed Access Services |
| HSAS | Homeland Security Advisory System |
| HSAS | Hagar Schon Aaronson Shrieve (band) |
| HSAS | Health Sciences Association of Saskatchewan (Canada) |
| HSAS | Health and Safety Advisory Service Ltd (UK) |
| HSAS | Hydrocephalus Due to Congenital Stenosis of Aqueduct of Sylvius |
| HSAS | High School of American Studies (Bronx, NY) |