HSTI
| Acronym | Definition |
|---|---|
| HSTI | High School Technology Initiative |
| HSTI | Hot Springs Technology Institute (Hot Springs, AR) |
| HSTI | Health Science Technology I (secondary education course; various locations) |
| HSTI | Homeland Security Technology, Inc. (Del Mar, CA) |
| HSTI | Hockey Su Tavolo Italia (Italian: Italian Table Hockey) |