| Abbreviation | Definition |
|---|---|
| DDD | Danish Veterinary Association |
| DDD | Den Danske Dyrlægeforening |
| DDD | Den Danske Dyrlgeforening |
| DDDS | Detroit District Dental Society |
| DDF | Danish Data Association |
| DDF | Dansk Dataforening |
| DDG | Deutsche Dostojewskij-Gesellschaft |
| DDG | German Dostoyevsky Society |
| DDGI | Deutsche Dachverband fr Geoinformation |
| DDGI | Deutsche Dachverband für Geoinformation |
| DDGI | German Umbrella Organisation for Geoinformation |
| DDHS | Dallas Dental Hygienists Society |
| DDL | Danish Association of Chartered Surveyors |
| DDL | Danske Landinspektørforening |
| DDL | Danske Landinspektrforening |
| DDL | Den Danske Landinspektørforening |
| DDL | Den Danske Landinspektrforening |
| DDNS | Discrete Dynamics in Nature and Society |
| DECUS | Digital Equipment Computer Users |
| DEGS | Delhi e Governance Society |