| 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 |