| Abbreviation | Definition |
|---|---|
| NPOG | No Purchase Order Given |
| NPP | Net Primary Production |
| NPS | Non-Production Spend |
| NPV | Net Present Value |
| NR | Net Revenue |
| NR | No Reserve |
| NR | Non-Responsive |
| NRAP | Natural Resources Accounting Project |
| NRR | Normal Rate of Return |
| NRV | No Residual Value |
| NRV | Non-Return Valve |
| NS | Non-Sale |
| NSA | Non-Seasonally Adjusted |
| NSAA | National State Auditors Association |
| NSAC | National Society of Accountants for Cooperatives |
| NSAC | National Society of Accountants for Cooperatives (USA) |
| NSC | National Student Council (ICAEW) |
| NSF | National Standard Format |
| NSF | Non Sufficient Funds |
| NSF | Not Sufficient Funds |