HNIS
| Acronym | Definition |
|---|---|
| HNIS | Havelock North Intermediate School (Havelock North, New Zealand) |
| HNIS | Human Sodium Iodide Symporter (nuclear medicine) |
| HNIS | Human Nutrition Information Service (USDA) |
| HNIS | Harmful Non-Indigenous Species |
| HNIS | Hekimian Network Interface System |