| Abbreviation | Definition |
|---|---|
| DESP | Directorate of Export Services Policy Unit |
| DGB | Damn Good Boat |
| DIMAR | Dirección General Marítima (Spanish: National Maritime Authority; Colombia) |
| DLSS | Delavan Lake Sailing School |
| DMBC | Deepwater Motor Boat Club |
| DOSC | Dubai Offshore Sailing Club |
| DPA | Designated Person Ashore |
| DPSS | Darling Point Sailing Squadron |
| DRSC | Derwent Reservoir Sailing Club |
| DSBC | Durban Ski Boat Club |
| DSBC | Durham School Boat Club |
| DSC | Downtown Sailing Center |
| DSWC | Docklands Sailing and Watersports Centre |
| DUBC | Dublin University Boat Club |
| DUBC | Durham University Boat Club |
| DWT | DeadWeight Tonnage |
| EABC | East Antrim Boat Club |
| EBMA | Electric Boat Management Association |
| ECBC | Exeter College Boat Club |
| ECSC | Eagle Creek Sailing Club |