| Acronym | Definition |
|---|
| HNSS➣Hybrid Natural/Synthetic Scene (digital video coding) |
| HNSS➣Health, Natural and Social Sciences (UK) |
| HNSS➣Handri Niva Sujala Sravanthi (Indian irrigation project) |
| HNSS➣Head and Neck Surgical Specialists (Englewood, CO) |
| HNSS➣Hypothalamo-Neurohypophyseal Secretory System |