CNIC can refer to:
- Canadian National Illinois Central Railroad
- Citizens' Nuclear Information Center in Japan
- Commander, Navy Installations Command (United States)
- Computerised National Identity Card, Pakistani identity card
- Centre de Neurosciences Intégratives et Cognitives at the University of Bordeaux 1
- Central Nucleus of Inferior colliculus
- Copernic, stock symbol for the web search technology company