MWCS
| Acronym | Definition |
|---|---|
| MWCS | Marine Well Containment System (Marine Well Containment Company) |
| MWCS | Marine Wing Communications Squadron |
| MWCS | Mental Welfare Commission for Scotland (UK) |
| MWCS | Mongkok Workers' Children School (Hong Kong) |
| MWCS | Madrid Waddington Central School (Madrid, NY) |
| MWCS | Muddy Waters Computer Society (Winnipeg, Manitoba, Canada; est. 1982) |
| MWCS | Major Works Control System |