| CD/N | Clear Day/Night 
| Others |
| CDN | Cable Data Network
| Others |
| CDN | Call Disconnect Notification
| Others |
| CDN | Call-Disconnect-Notify
| Others |
| CDN | Camaradas Do Niva
| Others |
| CDN | Canadian Dairy Network
| Others |
| CDN | Canadian Destroying Nation
| Others |
| CDN | Car Design News
| Others |
| CDN | Car Design Night
| Others |
| CDN | Career Disha Nepal
| Others |
| CDN | CDR (Cleaning and Decontamination Request) Discrepancy Notice
| Others |
| CDN | Certified Dietician Nutritionist
| Others |
| CDN | Chinese Domain Name
| Others |
| CDN | Christian DE NEEF
| Others |
| CDN | Circuito De Navarra
| Others |
| CDN | Citrix Developer Network
| Others |
| CDN | Coin Dealer Newsletter
| Others |
| CDN | Common Data Network = ARINC 664 Network
| Others |
| CDN | Component Design Northwest
| Others |
| CDN | Compressed Dial Number
| Others |
| CDN | Computer Data Networks
| Others |
| CDN | Conditional Double Negation
| Others |
| CDN | Contend Delivery Network
| Others |
| CDN | Content Delivery Netork
| Others |
| CDN | Content Delivery Network
| Others |
| CDN | Content delivery networks
| Others |
| CDN | Content Digital Network
| Others |
| CDN | Content Distribution Network
| Others |
| CDN | Content Distribution Networks
| Others |
| CDN | Continental Decimal Notation
| Others |
| CDN | Control Directory Number
| Others |
| CDN | Cooperation and Development Network
| Others |
| CDN | Coupling Decoupling Network
| Others |
| CDN | Crédit du Nord
| Others |
| CDN | Customer Defined Network
| Others |
| CDN | Woodward Field Airport
| Others |