| Abbreviation | Definition |
|---|---|
| DEMA | Downtown Encinitas Mainstreet Association |
| DESA | Demonstrative Evidence Specialists Association |
| DESA | Department of English Students Association |
| DESA | Destroyer Escort Sailors Association |
| DESA | Diabetes Exercise and Sports Association |
| DESA | Diabetes Exercise Sports Association |
| DEWA | Dubai Electricity and Water Association |
| DFAI | Dog Friendly Association of Ireland |
| DFANA | Dalzell Family Association of North America (Canada) |
| DFCA | Digoin Football Club Association |
| DFCA | Doncaster Foster Carers Association |
| DFDA | Dean Forest Diesel Association |
| DFDA | Delhi Financial Distributors Association |
| DFFA | Dallas Fire Fighters Association |
| DFFA | Detroit Fire Fighters Association |
| DFFA | Dounreay Fly Fishing Association |
| DFGA | Deciduous Fruit Growers Association |
| DFGA | DuPont Fish and Game Association |
| DFIA | Dublin Funds Industry Association |
| DFNA | Dearborn Federation of Neighborhood Associations |