| Abbreviation | Definition |
|---|---|
| DDC | Diamond Dealers Club |
| DDC | Dusk Dawn Club |
| DDCC | Doki Doki Chibi Club |
| DDCC | Double Digit Comp Club |
| DDFC | Dalyellup Dockers Football Club |
| DDIC | Distressed Debt Investors Club |
| DDLC | Doki Doki Literature Club |
| DDLC | Doki Doki Litterature Club |
| DDMAC | Dewsbury District Model Aero Club |
| DDMC | Darlington and District Motor Club |
| DDMC | Devils Diciples Motorcycle Club |
| DDMC | Devizes and District Motor Club |
| DDRC | Dallas Down River Club |
| DDSC | Darling Downs Soaring Club |
| DDSC | Dartford District Swimming Club |
| DDSC | David Douglas Soccer Club |
| DDSC | Don Diego Ski Club |
| DDTC | Dandie Dinmont Terrier Club |
| DDTC | Dauphin Dog Training Club |
| DEC | Detroit Economic Club |