| Abbreviation | Definition |
|---|---|
| NIK | Nikkei 300 Index |
| NIMCA | National. Indigenous. Medical. Cannabis. Association. |
| NIOSH | National Institute for Occupational Safety and Health |
| NIRA | National Industrial Recovery Act |
| NIS | Not In Stock |
| NITRO | New Interactive Technologies For Reselling Online |
| NITS | Neighbors In The Strip |
| NJW | Not Just the Workers |
| NLA | National Logistics Authority |
| NLA | No Longer Available |
| NLKKAS | Nederlandse Liquidatiekas |
| NLS | No Longer Stocked |
| NLT | Not Less Than |
| NM | Negative Motivation |
| NM | Network Marketing |
| NM | No Meeting |
| NM | Northern Monopoly |
| NME | Non-Market Economy |
| NMF | New Minor Forcing |
| NMPM | New Manufacturing Processes for Materials |