| 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 |