| Acronym | Definition |
|---|
| CCNN➣Career College of Northern Nevada (Reno, NV) |
| CCNN➣Centre Chorégraphique National de Nantes (French: National Choreography Center of Nantes; Nantes, France) |
| CCNN➣Cement Company of Northern Nigeria PLC (est. 1962) |
| CCNN➣Charge-Controlled Non-Linear Noise (physics model) |
| CCNN➣Climate Change Network Nepal (est. 2003) |