| Acronym | Meaning |
| GWS | General War Subsystem |
| GWS | General Welding Specification |
| GWS | General Welding Standard |
| GWS | Geneva Convention for the Wounded & Sick |
| GWS | Global Weather Service |
| GWS | Goods, Works and Services (various locations) |
| GWS | Greater Western Sydney (Sydney, Australia) |
| GWS | Guided Weapon System |
| GWS | Gulf War Syndrome (see also PGS) |
| GWS | Gun Weapon System |
| GWS | Gunfire Weapons System |