| Abbreviation | Definition |
|---|---|
| CNNC | China National Nuclear Corporation |
| CNPP | Country Nuclear Power Profiles |
| CNPS | Compact Nuclear Power Source |
| CNS | Consolidated Nuclear Security |
| CNSC | Canadian Nuclear Safety Commission |
| CNSG | Consolidated Nuclear Steam Generator |
| CNSN | Centro Nacional de Seguridad Nuclear |
| CNSN | China Nuclear Safety Network |
| CNSP | Counter Nuclear Smuggling Program |
| CNT | Condensed Nuclear Torpedoes |
| CNTA | Citizens for Nuclear Technology Awareness |
| CNTBT | Comprehensive Nuclear-Test Ban Treaty |
| CSGN | Cruiser Strike Guided-missile Nuclear |
| CSNF | Commercial Spent Nuclear Fuel |
| CVN | Carrier Vessel Nuclear |
| CVN | Cruiser Voler Nuclear |
| DCNF | Digital Control for Nuclear Facilities |
| DD | Decommissioning and Decontamination (Nuclear Power Industry) |
| DGNS | Director General of Nuclear Safety |
| DGR | Deep Geologic Repository |