HSWC
| Acronym | Definition |
|---|---|
| HSWC | Humane Society of Williamson County (Leander, TX) |
| HSWC | Humane Society of Washington County (Hagerstown, MD) |
| HSWC | High Speed Wireless Communication |
| HSWC | Howard S. Wright Constructors (est. 1885) |
| HSWC | Hiawatha Sustainable Woods Cooperative (Fountain City, WI) |
| HSWC | Humane Society of Wayne County (New York) |