HSDW
| Acronym | Definition |
|---|---|
| HSDW | Homeland Security Daily Wire (Washington, DC) |
| HSDW | Hobbs, Straus, Dean & Walker LLP (various locations) |
| HSDW | Hanford Site Defense Waste |
| HSDW | Helical Spin Density Wave |
| HSDW | High Strength Dairy Waste (environment; Ben & Jerry's Ice Cream) |