| Acronym | Definition |
|---|
| NSW➣New South Wales (Australian state) |
| NSW➣Nintendo Switch (gaming console) |
| NSW➣Naval Special Warfare |
| NSW➣Norton SystemWorks (Symantec utility software) |
| NSW➣National Science Week |
| NSW➣Norton System Works |
| NSW➣National Software Works |
| NSW➣Nebelscheinwerfer (German: Fog-Lamp) |
| NSW➣Natural Seawater |
| NSW➣Nippon Systemware Co. Ltd. |
| NSW➣Network Setup Wizard |
| NSW➣No Significant Weather (meteorology/aviation) |
| NSW➣Neighborhood Security Watch (Hawaii) |
| NSW➣Non-Secure Warning |
| NSW➣Newark Symphonic Winds (Newark, CA) |
| NSW➣New Swappers Welcome (friendship book) |
| NSW➣Novell Script for NetWare |
| NSW➣Non-Secure Switch |