| Abbreviation | Definition |
|---|---|
| EPTC | Elbow Park Tennis Club |
| EPYC | Eastern Pacific Yacht Club |
| ERBC | East Riding Badminton Club |
| ERC | Edmonton Rally Club |
| ERCF | Edmonds Rotary Club Foundation |
| ERNC | Epping Rugby and Netball Club |
| ERSC | East Ridge Soccer Club |
| ERSC | Easy Riders Snowmobile Club |
| ERSC | Elite Rays Swim Club |
| ERSC | Elk River Sportsmans Club |
| ERSC | England Rugby Supporters Club |
| ESAC | East Shore Athletic Club |
| ESAC | Exchange and Study Abroad Club |
| ESC | Edmond Soccer Club |
| ESCA | Everton Supporters Club of Australia |
| ESCC | Eastern Suburbs Cricket Club |
| ESFC | East Staffordshire Flying Club |
| ESLC | Eastern Shore Lacrosse Club |
| ESML | East Side Mesa Lokos |
| ESMMC | East Sussex Morris Minor Club |