| Acronym | Definition |
|---|
| GWS | Greater Western Sydney (Sydney, Australia) |
| GWS | Gulf War Syndrome (see also PGS) |
| GWS | George Wright Society (est. 1980) |
| GWS | Gigabit Workgroup Switch |
| GWS | Global Warranty System |
| GWS | Graphics Workstation |
| GWS | Gateways |
| GWS | Global Web Services |
| GWS | Groupware Server |
| GWS | Global Wireless Solutions |
| GWS | General Web Services |
| GWS | Great White Shark |
| GWS | Georgia Watercolor Society |
| GWS | Get Well Soon |
| GWS | Goods, Works and Services (various locations) |
| GWS | Google Web Server |
| GWS | Goes Without Saying |
| GWS | Gun Weapon System |
| GWS | General Web Service |
| GWS | Great War Society (UK) |
| GWS | Guided Weapon System |
| GWS | Game Winning Shot (hockey) |
| GWS | GroupWare Server (DMS/FAMIS applications) |
| GWS | Gateway Switch |
| GWS | Groove Web Services (computing) |
| GWS | Grown without Shell (seeds) |
| GWS | Gateway Screening |
| GWS | Great Western Steamship Company |
| GWS | Graphic Work Station |
| GWS | Global Waste Survey |
| GWS | General War Subsystem |
| GWS | Gaseous Waste System |
| GWS | General Welding Specification |
| GWS | Groundwater Well Services |
| GWS | Gunfire Weapons System |
| GWS | Global Weather Service |
| GWS | General Welding Standard |
| GWS | Genesee Wind Symphony (Flint, MI) |
| GWS | Global Wireless Solution, Inc. (New Berlin, WI) |
| GWS | Grainger Wind Symphony |
| GWS | Gandhi Weaving Society |
| GWS | Geneva Convention for the Wounded & Sick |