HSWA
| Acronym | Definition |
|---|---|
| HSWA | Health and Safety at Work Etc. Act (UK; also seen has HASWA) |
| HSWA | Humane Society Waterville Area (Waterville, ME) |
| HSWA | Hazardous & Solid Waste Amendment of 1984 |
| HSWA | Henri Stern Watch Agency (New York) |
| HSWA | Hindi Samaj of Western Australia |