| NIPA | National Income and Product Accounts 
| Others |
| NIPA | National Income and Products Accounts
| Others |
| NIPA | National Information Program on Antibiotics
| Others |
| NIPA | National Infrastructure Planning Association
| Others |
| NIPA | National Institute of Pension Administrators
| Others |
| NIPA | National Institute of Public Administration
| Others |
| NIPA | National Intergovernmental Purchasing Alliance
| Others |
| NIPA | National Investigation & Protection Agency
| Others |
| NIPA | National IT Industry Promotion Agency (Korea)
| Others |
| NIPA | NGOs (Non-Governmental organization) for Integrated Protected Areas
| Others |