| Acronym | Definition |
|---|
| NW | Northwest |
| NW | Network |
| NW | Northwest Airlines (IATA airline code) |
| NW | Nuclear Waste |
| NW | No Way (chat) |
| NW | New Wave |
| NW | Norwegian (linguistics) |
| NW | NetWare (Novell) |
| NW | Now What? |
| NW | Neverwinter |
| NW | No Worries (chat) |
| NW | Non-Woven (fabric) |
| NW | Nuclear Weapon |
| NW | Neighborhood Watch (various locations) |
| NW | Nidwalden (Swiss Half Canton) |
| NW | NetWeaver (SAP) |
| NW | Nightwish (band) |
| NW | National Westminster Bank |
| NW | Net Weight |
| NW | Now Watching |
| NW | NetWorker |
| NW | Nuclear Warhead |
| NW | Ninja Warrior (game show) |
| NW | Nuclear Warfare |
| NW | Nanowatt (one-billionth of a watt) |
| NW | National Waterway (India) |
| NW | Normal Waste |
| NW | Not Waiverable (US DoD) |
| NW | London Northwest (postcode, United Kingdom) |
| NW | Norfolk and Western Railway Company |
| NW | Negligible Weathering |
| NW | Normalized Water Leaving Radiance |
| NW | Norwold (gaming) |
| NW | Networks' Watchdog (Ewbury) |
| NW | Noble Wrestling |