| Abbreviation | Definition |
|---|---|
| CMWG | Cash and Markets Working Group |
| CMWG | Cash Market Working Group |
| CMWG | Cash Markets Working Group |
| CMWG | Cattle Model Working Group |
| CMWG | Chemical Metrology Working Group |
| CMWG | Chemicals Management Working Group |
| CMWG | Civilian Military Working Group |
| CMWG | Cloud Management Working Group |
| CMWG | Commonwealth Ministerial Working Group |
| CMWG | Compliance to Medicines Working Group |
| CMWG | Conflict Minerals Work Group |
| CMWG | Congestion Management Working Group |
| CMWG | Council Merger Working Group |
| COMO | Consistently Overcoming Maintenance Obstacles |
| COPIP | Code Of Practice In Practice |
| CRWG | Canadian Research Working Group |
| CRWG | Colorado Resiliency Working Group |
| CRWG | Community Representation Working Group |
| CUWG | Common Use Working Group |
| CUWG | Court User Work Group |