| Abbreviation | Definition |
|---|---|
| ESOC | Edinburgh Southern Orienteering Club |
| ESRC | Exxonmobil Singapore Recreation Club |
| ESSC | Eastern Slope Ski Club |
| ESSC | Edmonton Sport and Social Club |
| ESSC | English Shetland Sheepdog Club |
| ESTC | Earl Shilton Trials Club |
| ESTC | Edinburgh Ski Touring Club |
| ESVC | Eastern Shore Volleyball Club |
| ESVC | Endless Summer Volleyball Club |
| ETC | Experimental Theater Club |
| ETPC | Eno Triangle Pony Club |
| ETRC | East Tennessee Reef Club |
| ETRC | East Tennessee Retriever Club |
| ETTC | Edmonton Table Tennis Club |
| ETUF | Essener Turn und Fechtclub |
| ETWC | East Tennessee Whitewater Club |
| EUAC | Edinburgh University Archery Club |
| EUAC | Edinburgh University Athletics Club |
| EUAC | Exeter University Athletics Club |
| EUCC | Edinburgh University Cycling Club |