NIAT
| Acronym | Definition |
|---|---|
| NIAT | National Institute of Advanced Technology |
| NIAT | Net Income After Taxes |
| NIAT | NASA Integrated Action Team |
| NIAT | National Institute of Aviation Technologies (Russia) |
| NIAT | National Institute for Advanced Technology (University of Nevada) |
| NIAT | National Institute of Accounting Technicians (Philippines) |
| NIAT | Naval Institute of Aeronautical Technology |