| Abbreviation | Definition |
|---|---|
| DSHB | Dressage Sport Horse Breeding |
| DSR | Don Schumacher Racing |
| DSRA | Deep South Racing Association |
| DSRR | Department of Sport Recreation and Racing |
| DSRR | Department of Sport Recreation and Racing's |
| DSZ | Dutch Simracing Zone |
| DTRA | Dirt Track Racing Association |
| DTTW | Down To The Wire |
| DWRS | Dodge Weekly Racing Series |
| EAPS | Extracellular Action Potential Simulation |
| EBH | Embraced by Hatred |
| EBR | Erik Buell Racing |
| EBRT | East Belgiam Racing Team |
| ECP | Emergency Contraceptive Pills |
| ECR | Ed Carpenter Racing |
| ECR | Eveleigh City Raceway |
| ECRR | East Carolina Road Racing |
| EDC | Estimated Distance on Charge |
| EDRL | Elisa Drone Racing League |
| EECO | Expanding Effective Contraception Options |