| DDG | Dandong, Mainland China 
| Others |
| DDG | DANIEL DESMOND and GODWIN
| Others |
| DDG | Danish Demining Group
| Others |
| DDG | Danmarks Digital Gadefoto
| Others |
| DDG | Dark Design Graphics
| Others |
| DDG | Data Dependence Graph
| Others |
| DDG | Day Dream Graphics
| Others |
| DDG | Deluxe Design Group
| Others |
| DDG | Dental Do Gooder
| Others |
| DDG | Deoxy D Glucose
| Others |
| DDG | Deputy Direct General
| Others |
| DDG | Deputy Director General
| Others |
| DDG | Derrick Durante Grier
| Others |
| DDG | Design Display Group
| Others |
| DDG | Deutsche Dermatologische Gesellschaft
| Others |
| DDG | Deutsche Dostojewskij-Gesellschaft
| Others |
| DDG | Devaney Doak and Garrett
| Others |
| DDG | Diego Gonzalez
| Others |
| DDG | Diemer Duhm Gambit
| Others |
| DDG | Digital Devotion Group
| Others |
| DDG | Dinosaur Dry Goods
| Others |
| DDG | Directed Dataflow Graph
| Others |
| DDG | Discover Digital Group
| Others |
| DDG | Discrete Differential Geometry
| Others |
| DDG | Discrete Distribution Generating
| Others |
| DDG | Dispatch Deviation Guide
| Others |
| DDG | Distillers Dried Grain
| Others |
| DDG | Doctoral Dissertation Grant
| Others |
| DDG | Dominican Development Group
| Others |
| DDG | Donoho Design Group
| Others |
| DDG | Draw Down Guidance
| Others |
| DDG | Dried Distillers Grain
| Others |
| DDG | Drop Dead Gorgeous
| Others |
| DDG | Dual Display Generator
| Others |
| DDG | Dubai Drama Group
| Others |
| DDG | Duck Duck Go
| Others |
| DDG | Duck Duck Goose
| Others |
| DDG | Duck Duck Gooze
| Others |
| DDG | Dump Deckover Gooseneck
| Others |
| DDG | Dynamic Distribution Group
| Others |
| DDG | German Dostoyevsky Society
| Others |
| DDG | Guided-Missile Destroyer
| Others |