| Acronym | Definition |
|---|
| NPW | Non Pregnant Women (population segment) |
| NPW | Napa (Amtrak station code; Napa Valley, CA) |
| NPW | Nuclear Powered Warship |
| NPW | Natural Products Worldwide (various locations) |
| NPW | Named Pipe Wrapper |
| NPW | Net2max Private Wireless |
| NPW | Network Planners Workshop |
| NPW | National Park and Wildlife (various locations) |
| NPW | National Payroll Week |
| NPW | New Pool Wildcat (wells) |
| NPW | Net Present Worth |
| NPW | Net Premiums Written |
| NPW | Nordic Perl Workshop (Perl programming language) |
| NPW | National Police Week |
| NPW | Non-Potable Water |
| NPW | NASA ParaWing (kite) |
| NPW | Net per Week (financial management) |
| NPW | Not Proceeded With |
| NPW | NeoPaint for Windows (photo editing software) |
| NPW | New Pals Welcome (swapping) |
| NPW | No Problem Whatsoever (internet slang) |
| NPW | Non-Productive Wafer |
| NPW | Neue Philharmonie Westfalen (German orchestra) |
| NPW | Non-projectile weapon |
| NPW | Non Patterned Wafer |
| NPW | Non Payroll Worker (employment) |
| NPW | New Pro Wrestling |