| Abbreviation | Definition |
|---|---|
| NTML | National Traffic Management Log |
| NTMP | Neighborhood Traffic Management Program |
| NTMP | Nonindustrial Timber Management Plan |
| NTMS | National Ticket Management System |
| NTPM | New Trends in Project Management |
| NTPM | Newton Trelawney Property Management |
| NTSM | North Texas Sports Management |
| NUMI | National Utilization Management Integration |
| NUMP | National Utilities Management Program |
| NWMA | Narcisse Wildlife Management Area |
| NWMA | National Waste Management Agency |
| NWMC | National Waste Management Council |
| NWMC | National Water Management Center |
| NWMC | National Wetland Management Committee |
| NWMO | Nuclear Waste Management Organisation |
| NWMO | Nuclear Waste Management Organization |
| NWMP | National Water Management Plan |
| NWMP | National Water Management Project |
| NWMP | National Wildlife Management Preserve |
| NWMP | Nuclear Waste Management Program |