NIVA
| Acronym | Definition |
|---|---|
| NIVA | Norsk Institutt for Vannforskning (Norwegian Institute for Water Research) |
| NIVA | Northern Ireland Veterans Association |
| NIVA | No Income Verified Assets (mortgage) |
| NIVA | Northern Ireland Volleyball Association (est. 1970; Newtownabbey, UK) |
| NIVA | Non-Invasive Vascular Assessment |
| NIVA | Nederlands Instituut van Accountants (Dutch: Dutch Institute of Accountants; est. 1895; Netherlands) |