PWSD
| Acronym | Definition |
|---|---|
| PWSD | Public Water Supply District (utilities) |
| PWSD | Parker Water & Sanitation District (est. 1962; Parker, CO) |
| PWSD | Presbyterian World Service and Development (Canada) |
| PWSD | Park West School Division (public school system; Birtle, Manitoba, Canada) |
| PWSD | Public Works and Services Department |
| PWSD | Pacific White-Sided Dolphin (mammal) |
| PWSD | Parliamentary Works Services Directorate (UK) |