Found 14 full forms for NIU
| Term | Full Form | Category |
|---|---|---|
| NIU | Nacelle Interface Unit 
| Others |
| NIU | National Intelligence University
| Others |
| NIU | National Interdiction Unit
| Others |
| NIU | Native Inspiring and Unique
| Others |
| NIU | NATO (North Atlantic Treaty Organization) Interface Unit
| Others |
| NIU | Natural Innovative and Uncompromising
| Others |
| NIU | Network Interface Unit
| Others |
| NIU | Network Interface Units
| Others |
| NIU | Newport International United
| Others |
| NIU | Nissan Urvan
| Others |
| NIU | Niuean
| Others |
| NIU | Northern Illinois University
| Others |
| NIU | Not In Universe
| Others |
| NIU | Not In Use
| Others |