CIWG
| Acronym | Definition |
|---|---|
| CIWG | Critical Incident Working Group (various locations) |
| CIWG | Critical Infrastructure Working Group |
| CIWG | Collaboration Interoperability Working Group |
| CIWG | Communications Interoperability Working Group |
| CIWG | Cyberinfrastructure Working Group |
| CIWG | Combat Identification Working Group |
| CIWG | Critical Interfaces Working Group |
| CIWG | Critical Illness Working Group |
| CIWG | Channel Islands Wholesale Group |