| 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 |