MWSD
| Acronym | Definition |
|---|---|
| MWSD | Midd-West School District (Middleburg, Pennsylvania) |
| MWSD | Modern Western Square Dancing |
| MWSD | Mary Walker School District (Washington) |
| MWSD | Montara Water & Sanitary District (Montara, CA) |
| MWSD | Ministry of Women and Social Development (Peru) |
| MWSD | Missile and Weapons Systems Division |