| DDN | Dakota Digital Network 
| Others |
| DDN | Das Demographie Netzwerk
| Others |
| DDN | Data Defense Network
| Others |
| DDN | Data Definition Name
| Others |
| DDN | Data Delivery Notice
| Others |
| DDN | Data Direct Networks
| Others |
| DDN | Date de Naissance
| Others |
| DDN | Dayton Daily News
| Others |
| DDN | De Divinus Nominibus
| Others |
| DDN | Debbie Dean News
| Others |
| DDN | Defence Data Network
| Others |
| DDN | Defense Data Network
| Others |
| DDN | Defense Department Network
| Others |
| DDN | Defense Dept Network
| Others |
| DDN | Delta Downs, Queensland, Australia
| Others |
| DDN | Design Diffusion News
| Others |
| DDN | Design Drafting Numerical
| Others |
| DDN | Digestive Diseases and Nutrition
| Others |
| DDN | Digestive Diseases Nutrition
| Others |
| DDN | Digital Dakota Network
| Others |
| DDN | Digital Data Network
| Others |
| DDN | Digital Directors Network
| Others |
| DDN | Digital Divide Network
| Others |
| DDN | Direct Dial Network
| Others |
| DDN | Direct Dial Number
| Others |
| DDN | Directiva de Defensa Nacional
| Others |
| DDN | Directory Distinguished Network Name
| Others |
| DDN | Discovery Digital Networks
| Others |
| DDN | Disney Digital Network
| Others |
| DDN | Distributes Dynamic Network
| Others |
| DDN | Dixmier Douady Namely
| Others |
| DDN | Don't Do Nothing
| Others |
| DDN | Dos Device Name
| Others |
| DDN | Dotted Decimal Notation
| Others |
| DDN | Drink and Drugs News
| Others |
| DDN | Dual Degree in Nursing
| Others |
| DDN | Dual Degree Nursing
| Others |
| DDN | Dynamic Decision Network
| Others |