HHSS
| Acronym | Definition |
|---|---|
| HHSS | Health and Human Services System (Nebraska; also seen as HHS) |
| HHSS | History of the Health Sciences Section (Medical Library Association) |
| HHSS | Huron Heights Secondary School (Canada) |
| HHSS | Human Hepatic Stimulator Substance |
| HHSS | Hindu Higher Secondary School (Triplicane, Chennai, India) |
| HHSS | Horse Hair and Skin Scrapings |