HSSR
| Acronym | Definition |
|---|---|
| HSSR | Hydrogeochemical and Stream Sediment Reconnaissance (National Uranium Research Evaluation) |
| HSSR | High Speed Sequential Retrieval (database analysis) |
| HSSR | Hrvatski Savez Sportske Rekreacije (Croatian: Croatian Sports Recreation Union) |
| HSSR | Health Services and Sciences Research Resources (database) |
| HSSR | Hybrid Slot-Size/Rate |
| HSSR | Heard, Said, Spelled, Read (literacy) |
| HSSR | Heavy SEAL Support Craft |