| Acronym | Definition |
|---|
| DDN➣Dayton Daily News (Ohio newspaper) |
| DDN➣Date de Naissance (French: Date of Birth) |
| DDN➣Dotted Decimal Notation |
| DDN➣Defense Data Network (US DoD; Digital Computer System) |
| DDN➣Design Diffusion News (magazine) |
| DDN➣Dos Device Name |
| DDN➣Directory Distinguished Network Name |
| DDN➣Defense Data Network |
| DDN➣Direct Dial Network |
| DDN➣Dynamic Decision Network |
| DDN➣Digital Data Network |
| DDN➣DataDirect Networks (Chatsworth, CA) |
| DDN➣Devis Directeur National (French: National Master Specification; Canada) |
| DDN➣Digital Divide Network |
| DDN➣Directiva de Defensa Nacional (Spanish: National Defense Policy) |
| DDN➣Discado Directo Nacional (Spanish: national direct dial) |
| DDN➣Domain Distribution Network |
| DDN➣Démolition Déménagement Nettoyage (French: Demolition Moving Cleaning) |
| DDN➣Dogues du Net (French sports fan club) |
| DDN➣Design Develop Now (digital solutions) |
| DDN➣Donjon de Naheulbeuk (French website) |
| DDN➣Defense Digital Network |
| DDN➣Design Decision Notice |
| DDN➣Descent Developer Network |
| DDN➣Dance Dot Net (website) |
| DDN➣Destructeurs de Noob (French gaming clan) |