| Abbreviation | Definition |
|---|---|
| DABA | Dormont Athletic Booster Association |
| DABA | Dormont Athletic Boosters Association |
| DAC | Dakota Athletic Conference |
| DAC | Detroit Athletic Club |
| DACM | Downtown Athletic Club Masters |
| DADA | Derby Athletics Development Association |
| DAHT | Dunfermline Athletic Heritage Trust |
| DARI | Dynamic Athletic Research Institute |
| DAT | Doctor of Athletic Training |
| DBAC | David Braley Athletic Centre |
| DBAP | Durham Bulls Athletic Park |
| DFAL | Diablo Foothill Athletic League |
| DGAL | Dartmouth Girls Athletic League |
| DGAL | Dwarf Giraffe Athletic League |
| DIAA | Dayton Industrial Athletic Association |
| DIAA | Delaware Interscholastic Athletic Association |
| DJ | Double Jump |
| DKAA | Dakshina Kannada Athletic Association |
| DLAC | Doncaster Little Athletics Centre |
| DNP | Did Not Participate |