CCN
- CCN intercellular signaling protein
- CTGF
- CYR61
- Camino Cristiano Nicaragüense
- Caribbean Communications Network
- Cement chemist notation
- Cereal cyst nematode
- Cerebrocortical necrosis
- Chebucto Community Net
- City College Norwich
- Cloud condensation nuclei
- Comedy Central
- Companhia Colonial de Navegação
- Concours Complet International
- Content centric networking
- Corn cyst nematode
- Council of Churches in Namibia
- County Councils Network
- Covering Climate Now
- Critical care nursing
- Cyclomatic Complexity Number
- NOV (gene)
- National Capital Commission
- Nutritionist
- Toffoli gate