MWSG
| 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) |