| Acronym | Definition |
|---|
| NWA | National Wrestling Alliance |
| NWA | Northwest Arkansas |
| NWA | Northwest Airlines (ICAO code) |
| NWA | National Weather Association |
| NWA | National Works Agency (Jamaica) |
| NWA | North West Africa (region) |
| NWA | Netware Administrator |
| NWA | New World Alliance |
| NWA | Northwest Analytics (software; Portland, OR) |
| NWA | Neighborhood Watch Association (various locations) |
| NWA | New World Angels (Boca Raton, FL) |
| NWA | Network Analyzer |
| NWA | Northwest Afternoon (TV show) |
| NWA | National Workforce Association |
| NWA | Moheli, Comoros (Airport Code) |
| NWA | National Watermelon Association |
| NWA | New World African |
| NWA | Next Writable Address |
| NWA | National Water Archive (UK) |
| NWA | N*ggas With Attitudes (name of rap artist/band) |
| NWA | New World Aviation (Allentown, PA) |
| NWA | Neighbourhood Watch Alliance |
| NWA | Nanticoke Watershed Alliance |
| NWA | No Women Allowed |
| NWA | National Waffle Association |
| NWA | National WIC (Women, Infants, and Children) Association (Washington, DC) |
| NWA | Not Without Asswelts (Simpsons) |
| NWA | Naval Warfare/Weapons Analysis |
| NWA | Naval Weapons Annex |
| NWA | Not Work Appropriate |
| NWA | New Working Applicant (Marine Corps Recruiting) |