| Abbreviation | Definition |
|---|---|
| DDNC | Digestive Disease National Colilition |
| DDNC | Digestive Diseases and Nutrition Center |
| DDNC | Digestive Diseases National Coalition |
| DDNC | Digestive Diseases Nutrition Center |
| DDQ | Digestive Diseases Queensland |
| DDR | Drop Dead Rate |
| DDRC | Digestive Disease Research Center |
| DDRC | Diving Diseases Research Centre |
| DDRG | Digestive Disease Research Group |
| DDSF | Drug Disease Smoke Free |
| DDSI | Digestive Disease Surgery Institute |
| DDTD | Drugs and Diagnostics for Tropical Diseases |
| DDTD | Drugs Diagnostics for Tropical Diseases |
| DDTP | Division of Diabetes Treatment and Prevention |
| DDW | Digestive Disease Week |
| DDW | Digestive Disease Wk |
| DEARS | Diabetes Emergencies Around Ramadan Study |
| DECM | Diabetes and Endocrine Center of Mississippi |
| DED | Dutch Elm Disease |
| DEMS | Diabetes Endocrine Metabolism Services |