| Abbreviation | Definition |
|---|---|
| DCWA | DuPage County Wrestling Association |
| DD | Degree of Difficulty |
| DD | Double Dark |
| DD | Double-Double (Basketball) |
| DDBA | Dixie Deaf Bowlers Association |
| DDBL | Durant Downstairs Basketball League |
| DDC | Double Delayed Choice |
| DDC | Double Disc Court |
| DDCA | Delhi and District Cricket Association |
| DDD | Dance Dance Defenestration |
| DDD | Delhi DareDevils |
| DDDD | Dynamic Diplomats of Double Dutch |
| DDGA | Dayton Disc Golf Association |
| DDM | Deadliest Death Match |
| DDO | Dominion Drop Out |
| DDOP | Doubles Distance One Pass |
| DDP | Dimond Dallas Page |
| DDR | Don't Do Rookies |
| DDRA | Demolition Derby Racing Assicioation |
| DDRA | Diesel Drag Racing Association |