| 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) |