| Acronym | Definition |
|---|
| MIWG➣Michigan Wing (Civil Air Patrol) |
| MIWG➣Mission Integration Working Group (NASA) |
| MIWG➣Museum of Isle of Wight Geology (UK) |
| MIWG➣Multinational Interoperability Working Group |
| MIWG➣Mental Illness Work Group (various locations) |
| MIWG➣Manufacturing Infrastructure Working Group (advocacy group; North Carolina) |