| Abbreviation | Definition |
|---|---|
| ECL | Eurpoean Combat League |
| ECP | East Coast Pilot |
| ECS | Extreme Combat Specialists |
| ECSA | Expedition to Circumnavigate South America |
| ECSC | East Coast Surfing Championships |
| ECT | East Coast Trail |
| ECUA | East Coast Umpires Association |
| ECW | Extreme Championship Wrestling |
| ECW | Extremely Classy Wrestling |
| ECW | Extremely Crying Wrestlers |
| EDBF | European Dragonboat Federation |
| EDD | Eat, Drink, and Dance |
| EDGE | Enhanced Doom Gaming Engine |
| EDGE | Ergonomically Designed Gaelic Experience |
| EDGE | Extreme Disc Golf Experience |
| EDL | Elemental Derby League |
| EDS | Eventually Downwind Sailing |
| EDSL | Eastern District Soccer League |
| EEC | Emiles Evolutionary Chess |
| EEF | Emirates Equestrian Federation |