| Abbreviation | Definition |
|---|---|
| DBY | Derby |
| DIRT | Dads Inside Riding Trainers |
| DJ | Double Jumping |
| DRAW | Distance Riding Association of Wisconsin |
| DRE | Ducati Riding Experience |
| DREAMS | Dedicated Riding Equines And Methods Safety |
| EDL | Elemental Derby League |
| EDRC | Edinburgh and District Riding Club |
| EFA | Equestrian Federation of Australia |
| EQ | Equitation |
| ERC | East Riding Constabulary |
| ERCC | East Riding County Council |
| ERFS | East Riding Farm Services |
| ERPF | East Riding Pension Fund |
| ERR | Ellis River Riders |
| ERS | Exclusive Ride Session |
| ERT | East Riding Theatre |
| FBRC | Foxworthy Beacon Riding Club |
| FFRC | Frampton Family Riding Club |
| FISE | Federazione Italiana Sport Equestri |