HSTS
| Acronym | Definition |
|---|---|
| HSTS | High School Transcript Study (US Department of Education) |
| HSTS | Household Sewage Treatment System |
| HSTS | High-Speed Transport Service |
| HSTS | Halton Student Transportation Services (Ontario, Canada) |
| HSTS | Heuristic Scheduling Testbed System (software architecture) |
| HSTS | HTTP (Hypertext Transfer Protocol) Strict Transport Security (Internet safety) |