| Acronym | Definition |
|---|
| ATWS➣Association of Third World Studies (Louisiana State University) |
| ATWS➣Anti-Theft Warning System (various companies) |
| ATWS➣Australian Tsunami Warning System |
| ATWS➣Anticipated Transient Without Scram (nuclear power plant event) |
| ATWS➣Automatic Track Warning System (rail safety) |
| ATWS➣Automatic Track While Scan |
| ATWS➣Additional Temporary Workspace (construction) |
| ATWS➣Advanced Tomahawk Weapon System |
| ATWS➣Automatic Time Window Selection |