| Acronym | Definition |
|---|
| MWSG➣Marine Wing Support Group |
| MWSG➣Maine & Weinstein Specialty Group LLC (West Hartford, CT) |
| MWSG➣Marine Wing Service Group (United States Marine Corps) |
| MWSG➣MILS (Multiple Independent Levels of Security) Web Services Gateway (US DoD) |
| MWSG➣Mental Wellness Support Group (various locations) |
| MWSG➣Macho Warrior Shin Guard (sports equipment) |
| MWSG➣Major Works Study Guide (course work) |