| Abbreviation | Definition |
|---|---|
| CMNN | Committee Machine Neural Network |
| CMTS | Committee on the Marine Transportation System |
| CMTW | Committee on Mission To the World |
| CNAA | Committee on Nucleation and Atmospheric Aerosols |
| CNFRA | Comite National Francais des Recherces Antarctiques (French: French National Committee for Antarctic Research) |
| CNR | Committee For Nuclear Responsibility |
| CNSS | Committee of National Security Systems |
| CNSS | Committee on National Security Systems |
| CNSSI | Committee on National Security Systems Instruction |
| CNTC | Competition and National Teams Committee |
| CNVA | Committee for Non-Violent Action |
| COAC | Commercial Operations Advisory Committee |
| COAC | Committee on Outdoor Art at Cornell |
| COAC | Community Operations Advisory Committee |
| COAP | Committee on Appointments and Promotions |
| COBE | Committee On Board Establishment |
| COC | Committee on Committees |
| COC | Committee on Committee's |
| COCD | Committee On Community Development |
| COCM | Committee on Congregational Ministry |